Ubuntu update for linux-azure-5.4



Risk Low
Patch available YES
Number of vulnerabilities 32
CVE-ID CVE-2025-2312
CVE-2025-39735
CVE-2025-38637
CVE-2025-37937
CVE-2025-23136
CVE-2025-22086
CVE-2025-22079
CVE-2025-22073
CVE-2025-22071
CVE-2025-22063
CVE-2025-22054
CVE-2025-22045
CVE-2025-22035
CVE-2025-22021
CVE-2025-22020
CVE-2025-22018
CVE-2025-22007
CVE-2025-22005
CVE-2025-22004
CVE-2025-21996
CVE-2025-21993
CVE-2025-21992
CVE-2025-21991
CVE-2025-21959
CVE-2025-21957
CVE-2025-21956
CVE-2024-58093
CVE-2024-56551
CVE-2024-53168
CVE-2023-53034
CVE-2022-49636
CVE-2021-47211
CWE-ID CWE-497
CWE-125
CWE-667
CWE-369
CWE-476
CWE-401
CWE-20
CWE-416
CWE-399
CWE-908
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

linux-azure-5.4 (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 32 vulnerabilities.

1) Exposure of Sensitive System Information to an Unauthorized Control Sphere

EUVDB-ID: #VU107628

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-2312

CWE-ID: CWE-497 - Exposure of Sensitive System Information to an Unauthorized Control Sphere

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exist due to cifs.upcall program from the cifs-utils package makes an upcall to the wrong namespace in containerized environments when trying to obtain Kerberos credentials. A local user can gain access to sensitive information.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Out-of-bounds read

EUVDB-ID: #VU107684

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-39735

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds read error within the ea_get() function in fs/jfs/xattr.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Improper locking

EUVDB-ID: #VU107732

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-38637

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the skbprio_enqueue() and skbprio_dequeue() functions in net/sched/sch_skbprio.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Division by zero

EUVDB-ID: #VU109556

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-37937

CWE-ID: CWE-369 - Divide By Zero

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a division by zero error within the dib8000_set_dds() function in drivers/media/dvb-frontends/dib8000.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) NULL pointer dereference

EUVDB-ID: #VU107703

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-23136

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the int3402_thermal_probe() function in drivers/thermal/intel/int340x_thermal/int3402_thermal.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) NULL pointer dereference

EUVDB-ID: #VU107711

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-22086

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the ntohl() function in drivers/infiniband/hw/mlx5/cq.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Out-of-bounds read

EUVDB-ID: #VU107689

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-22079

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds read error within the __ocfs2_find_path() function in fs/ocfs2/alloc.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Memory leak

EUVDB-ID: #VU107650

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-22073

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the spufs_fill_dir() function in arch/powerpc/platforms/cell/spufs/inode.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Memory leak

EUVDB-ID: #VU107648

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-22071

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the spufs_create_context() function in arch/powerpc/platforms/cell/spufs/inode.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) NULL pointer dereference

EUVDB-ID: #VU107716

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-22063

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the calipso_sock_getattr() and calipso_sock_setattr() functions in net/ipv6/calipso.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) NULL pointer dereference

EUVDB-ID: #VU107726

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-22054

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the com20020pci_probe() function in drivers/net/arcnet/com20020-pci.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Input validation error

EUVDB-ID: #VU107755

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-22045

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the arch/x86/include/asm/tlbflush.h. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Use-after-free

EUVDB-ID: #VU107675

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-22035

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the wakeup_trace_open() function in kernel/trace/trace_sched_wakeup.c, within the irqsoff_trace_open() function in kernel/trace/trace_irqsoff.c, within the graph_trace_close() function in kernel/trace/trace_functions_graph.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

14) Resource management error

EUVDB-ID: #VU107786

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-22021

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to resource management error within the nf_sk_lookup_slow_v6() function in net/ipv6/netfilter/nf_socket_ipv6.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

15) Use-after-free

EUVDB-ID: #VU107680

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-22020

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the rtsx_usb_ms_drv_remove() function in drivers/memstick/host/rtsx_usb_ms.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

16) NULL pointer dereference

EUVDB-ID: #VU107728

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-22018

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the MPOA_cache_impos_rcvd() function in net/atm/mpc.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

17) NULL pointer dereference

EUVDB-ID: #VU106961

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-22007

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the chan_alloc_skb_cb() function in net/bluetooth/6lowpan.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

18) Memory leak

EUVDB-ID: #VU106954

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-22005

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the in6_dev_put() function in net/ipv6/route.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

19) Use-after-free

EUVDB-ID: #VU106956

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-22004

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the lec_send() function in net/atm/lec.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

20) Use of uninitialized resource

EUVDB-ID: #VU106963

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-21996

CWE-ID: CWE-908 - Use of Uninitialized Resource

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to use of uninitialized resource within the radeon_vce_cs_parse() function in drivers/gpu/drm/radeon/radeon_vce.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

21) Out-of-bounds read

EUVDB-ID: #VU106651

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-21993

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds read error within the ibft_attr_show_nic() function in drivers/firmware/iscsi_ibft.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

22) Input validation error

EUVDB-ID: #VU106867

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-21992

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the HID_USB_DEVICE() function in drivers/hid/hid-quirks.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

23) Out-of-bounds read

EUVDB-ID: #VU106647

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-21991

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds read error within the load_microcode_amd() function in arch/x86/kernel/cpu/microcode/amd.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

24) Use of uninitialized resource

EUVDB-ID: #VU106840

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-21959

CWE-ID: CWE-908 - Use of Uninitialized Resource

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to use of uninitialized resource within the raw_smp_processor_id() function in net/netfilter/nf_conncount.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

25) NULL pointer dereference

EUVDB-ID: #VU106695

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-21957

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the qla1280_64bit_start_scsi() function in drivers/scsi/qla1280.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

26) Resource management error

EUVDB-ID: #VU106860

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-21956

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to resource management error within the get_norm_pix_clk() function in drivers/gpu/drm/amd/display/dc/core/dc_resource.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

27) Use-after-free

EUVDB-ID: #VU107678

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-58093

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the pcie_aspm_exit_link_state() function in drivers/pci/pcie/aspm.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

28) Use-after-free

EUVDB-ID: #VU102039

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-56551

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the amdgpu_vce_sw_fini() function in drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c, within the amdgpu_device_fini_sw() function in drivers/gpu/drm/amd/amdgpu/amdgpu_device.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

29) Use-after-free

EUVDB-ID: #VU102061

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-53168

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the xs_create_sock() function in net/sunrpc/xprtsock.c, within the svc_create_socket() function in net/sunrpc/svcsock.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

30) Out-of-bounds read

EUVDB-ID: #VU107691

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-53034

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds read error within the switchtec_ntb_mw_set_trans() function in drivers/ntb/hw/mscc/ntb_hw_switchtec.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

31) Memory leak

EUVDB-ID: #VU104321

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-49636

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the vlan_newlink() function in net/8021q/vlan_netlink.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

32) NULL pointer dereference

EUVDB-ID: #VU89394

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-47211

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the snd_usb_set_sample_rate_v2v3() function in sound/usb/clock.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure-5.4 to the latest version.

Vulnerable software versions

Ubuntu: 18.04

linux-azure-5.4 (Ubuntu package): before 5.4.0-1152.159~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7585-4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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