Ubuntu update for linux-gke



Risk Low
Patch available YES
Number of vulnerabilities 21
CVE-ID CVE-2025-38079
CVE-2025-38078
CVE-2025-38077
CVE-2025-38075
CVE-2025-38072
CVE-2025-38068
CVE-2025-38066
CVE-2025-38065
CVE-2025-38061
CVE-2025-38058
CVE-2025-38052
CVE-2025-38051
CVE-2025-38048
CVE-2025-38044
CVE-2025-38043
CVE-2025-38037
CVE-2025-38035
CVE-2025-38034
CVE-2025-38031
CVE-2025-38004
CVE-2025-38003
CWE-ID CWE-416
CWE-119
CWE-476
CWE-369
CWE-667
CWE-20
CWE-125
CWE-682
CWE-366
CWE-399
CWE-401
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

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

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 21 vulnerability.

1) Use-after-free

EUVDB-ID: #VU111459

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-2025-38079

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 hash_accept() function in crypto/algif_hash.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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) Use-after-free

EUVDB-ID: #VU111460

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-2025-38078

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 snd_pcm_buffer_access_unlock() function in sound/core/pcm_native.c, within the snd_pcm_oss_change_params_locked() function in sound/core/oss/pcm_oss.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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) Buffer overflow

EUVDB-ID: #VU111636

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-2025-38077

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to memory corruption within the current_password_store() function in drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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) NULL pointer dereference

EUVDB-ID: #VU111547

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-2025-38075

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 iscsit_close_connection() function in drivers/target/iscsi/iscsi_target.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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) Division by zero

EUVDB-ID: #VU111639

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-2025-38072

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 nd_label_data_init() function in drivers/nvdimm/label.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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) Buffer overflow

EUVDB-ID: #VU111661

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-2025-38068

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to memory corruption within the lzo1x_1_do_compress() and lzogeneric1x_1_compress() functions in lib/lzo/lzo1x_compress.c, within the obj-$() function in lib/lzo/Makefile, within the __lzo_compress() function in crypto/lzo.c, within the __lzorle_compress() function in crypto/lzo-rle.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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) Improper locking

EUVDB-ID: #VU111598

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-2025-38066

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 get_cache_dev_size() and cache_preresume() functions in drivers/md/dm-cache-target.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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) Input validation error

EUVDB-ID: #VU111702

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-2025-38065

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 orangefs_writepage_locked() and orangefs_writepages_work() functions in fs/orangefs/inode.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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) Out-of-bounds read

EUVDB-ID: #VU111490

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-2025-38061

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 pktgen_thread_write() function in net/core/pktgen.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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) Incorrect calculation

EUVDB-ID: #VU111678

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-2025-38058

CWE-ID: CWE-682 - Incorrect Calculation

Exploit availability: No

Description

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

The vulnerability exists due to incorrect calculation within the __legitimize_mnt() function in fs/namespace.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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) Use-after-free

EUVDB-ID: #VU111465

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-2025-38052

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 tipc_aead_encrypt() and tipc_aead_encrypt_done() functions in net/tipc/crypto.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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) Use-after-free

EUVDB-ID: #VU111466

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-2025-38051

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 find_cifs_entry() function in fs/cifs/readdir.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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) Race condition within a thread

EUVDB-ID: #VU111646

Risk: Low

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

CVE-ID: CVE-2025-38048

CWE-ID: CWE-366 - Race Condition within a Thread

Exploit availability: No

Description

The vulnerability allows a local user to corrupt data.

The vulnerability exists due to a data race within the virtqueue_enable_cb_delayed() function in drivers/virtio/virtio_ring.c. A local user can corrupt data.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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) Input validation error

EUVDB-ID: #VU111700

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-2025-38044

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 mlx5e_setup_tc_mqprio() function in drivers/net/ethernet/mellanox/mlx5/core/en_main.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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) Resource management error

EUVDB-ID: #VU111671

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-2025-38043

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 mt76_dma_cleanup() function in drivers/net/wireless/mediatek/mt76/dma.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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) Race condition within a thread

EUVDB-ID: #VU111645

Risk: Low

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

CVE-ID: CVE-2025-38037

CWE-ID: CWE-366 - Race Condition within a Thread

Exploit availability: No

Description

The vulnerability allows a local user to corrupt data.

The vulnerability exists due to a data race within the vxlan_fdb_info(), vxlan_find_mac(), vxlan_fdb_update_existing(), vxlan_snoop() and vxlan_cleanup() functions in drivers/net/vxlan.c. A local user can corrupt data.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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: #VU111555

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-2025-38035

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 nvmet_tcp_restore_socket_callbacks() function in drivers/nvme/target/tcp.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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) NULL pointer dereference

EUVDB-ID: #VU111557

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-2025-38034

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 include/trace/events/btrfs.h. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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) Memory leak

EUVDB-ID: #VU111418

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-2025-38031

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 padata_reorder() function in kernel/padata.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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) Improper locking

EUVDB-ID: #VU110685

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-2025-38004

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 bcm_can_tx(), bcm_tx_timeout_handler() and bcm_tx_setup() functions in net/can/bcm.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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) Use-after-free

EUVDB-ID: #VU110680

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-2025-38003

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 bcm_proc_show(), bcm_delete_rx_op(), bcm_delete_tx_op() and bcm_rx_setup() functions in net/can/bcm.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux-gke to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-gke (Ubuntu package): before 5.15.0-1086.91

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7704-5


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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