Ubuntu update for linux-aws-fips



| Updated: 2025-04-25
Risk Low
Patch available YES
Number of vulnerabilities 12
CVE-ID CVE-2022-0995
CVE-2024-26837
CVE-2025-21993
CVE-2025-21702
CVE-2025-21700
CVE-2025-21701
CVE-2024-50248
CVE-2024-56651
CVE-2024-46826
CVE-2024-50256
CVE-2025-21756
CVE-2025-21703
CWE-ID CWE-787
CWE-667
CWE-125
CWE-399
CWE-416
CWE-20
CWE-388
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Public exploit code for vulnerability #11 is available.
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

linux-image-5.15.0-138-fips (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-5.15.0-1082-aws-fips (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-5.15.0-1081-gcp-fips (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-aws-fips (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-gcp-fips (Ubuntu package)
Operating systems & Components / Operating system package or component

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

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 12 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU61772

Risk: Low

CVSSv4.0: 8.5 [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:A/U:Clear]

CVE-ID: CVE-2022-0995

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: Yes

Description

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

The vulnerability exists due to a boundary error within the Linux kernel’s watch_queue event notification subsystem. A local user can run a specially crafted program to trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-aws-fips to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.15.0-138-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1082-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1081-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-fips (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7455-2


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. However, a fully functional exploit for this vulnerability is available.

2) Improper locking

EUVDB-ID: #VU92039

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-2024-26837

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 switchdev_obj_eq() and switchdev_port_obj_del() functions in net/switchdev/switchdev.c, within the br_switchdev_mdb_replay_one() and br_switchdev_mdb_replay() functions in net/bridge/br_switchdev.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-aws-fips to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.15.0-138-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1082-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1081-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-fips (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7455-2


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) 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-aws-fips to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.15.0-138-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1082-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1081-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-fips (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7455-2


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) Resource management error

EUVDB-ID: #VU104074

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:U/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-21702

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 pfifo_tail_enqueue() function in net/sched/sch_fifo.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-aws-fips to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.15.0-138-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1082-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1081-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-fips (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7455-2


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) Use-after-free

EUVDB-ID: #VU103959

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:U/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-21700

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 qdisc_lookup() function in net/sched/sch_api.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux-aws-fips to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.15.0-138-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1082-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1081-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-fips (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7455-2


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) Improper locking

EUVDB-ID: #VU103960

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:U/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-21701

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 ethnl_ops_begin() function in net/ethtool/netlink.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-aws-fips to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.15.0-138-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1082-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1081-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-fips (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7455-2


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) Input validation error

EUVDB-ID: #VU100205

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-2024-50248

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 boundary error within the mi_enum_attr() function in fs/ntfs3/record.c. A local user can trigger memory corruption and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-aws-fips to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.15.0-138-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1082-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1081-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-fips (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7455-2


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) Use-after-free

EUVDB-ID: #VU102030

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-2024-56651

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 hi3110_can_ist() function in drivers/net/can/spi/hi311x.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux-aws-fips to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.15.0-138-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1082-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1081-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-fips (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7455-2


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) Input validation error

EUVDB-ID: #VU97839

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-2024-46826

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 fs/binfmt_elf.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-aws-fips to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.15.0-138-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1082-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1081-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-fips (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7455-2


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) Improper error handling

EUVDB-ID: #VU100192

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-2024-50256

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

Description

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

The vulnerability exists due to improper error handling within the nf_reject6_fill_skb_dst() and nf_send_reset6() functions in net/ipv6/netfilter/nf_reject_ipv6.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-aws-fips to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.15.0-138-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1082-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1081-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-fips (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7455-2


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: #VU104945

Risk: Low

CVSSv4.0: 7.1 [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:P/U:Clear]

CVE-ID: CVE-2025-21756

CWE-ID: CWE-416 - Use After Free

Exploit availability: Yes

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 EXPORT_SYMBOL_GPL() and __vsock_release() functions in net/vmw_vsock/af_vsock.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux-aws-fips to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.15.0-138-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1082-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1081-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-fips (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7455-2


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. However, proof of concept for this vulnerability is available.

12) Use-after-free

EUVDB-ID: #VU104073

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:U/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-21703

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 net/sched/sch_netem.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux-aws-fips to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.15.0-138-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1082-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-5.15.0-1081-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-aws-fips (Ubuntu package): before Ubuntu Pro

linux-image-gcp-fips (Ubuntu package): before Ubuntu Pro

linux-image-fips (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7455-2


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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