Ubuntu update for linux-lowlatency



Risk Low
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2024-26809
CVE-2024-26643
CVE-2024-26925
CVE-2024-26924
CWE-ID CWE-404
CWE-362
CWE-667
CWE-399
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

linux-image-lowlatency-64k (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-lowlatency-hwe-22.04 (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package)
Operating systems & Components / Operating system package or component

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

linux-image-6.5.0-42-lowlatency-64k (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-6.5.0-42-lowlatency (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Improper resource shutdown or release

EUVDB-ID: #VU93747

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-2024-26809

CWE-ID: CWE-404 - Improper Resource Shutdown or Release

Exploit availability: No

Description

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

The vulnerability exists due to failure to properly release resources within the nft_pipapo_destroy() function in net/netfilter/nft_set_pipapo.c. A local user can perform a denial of service (DoS) attack.

Mitigation

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

Vulnerable software versions

Ubuntu: 22.04 - 23.10

linux-image-lowlatency-64k (Ubuntu package): before 6.5.0.42.42.1

linux-image-lowlatency-hwe-22.04 (Ubuntu package): before 6.5.0.42.42.1~22.04.1

linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package): before 6.5.0.42.42.1~22.04.1

linux-image-lowlatency (Ubuntu package): before 6.5.0.42.42.1

linux-image-6.5.0-42-lowlatency-64k (Ubuntu package): before 6.5.0-42.42.1~22.04.1

linux-image-6.5.0-42-lowlatency (Ubuntu package): before 6.5.0-42.42.1~22.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6872-2


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.

2) Race condition

EUVDB-ID: #VU88135

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-2024-26643

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

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

The vulnerability exists due to a race condition within the nf_tables_unbind_set() function in net/netfilter/nf_tables_api.c. A local user can exploit the race and escalate privileges on the system.

Mitigation

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

Vulnerable software versions

Ubuntu: 22.04 - 23.10

linux-image-lowlatency-64k (Ubuntu package): before 6.5.0.42.42.1

linux-image-lowlatency-hwe-22.04 (Ubuntu package): before 6.5.0.42.42.1~22.04.1

linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package): before 6.5.0.42.42.1~22.04.1

linux-image-lowlatency (Ubuntu package): before 6.5.0.42.42.1

linux-image-6.5.0-42-lowlatency-64k (Ubuntu package): before 6.5.0-42.42.1~22.04.1

linux-image-6.5.0-42-lowlatency (Ubuntu package): before 6.5.0-42.42.1~22.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6872-2


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) Improper locking

EUVDB-ID: #VU92034

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-2024-26925

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 __nf_tables_abort() and nf_tables_abort() functions in net/netfilter/nf_tables_api.c. A local user can perform a denial of service (DoS) attack.

Mitigation

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

Vulnerable software versions

Ubuntu: 22.04 - 23.10

linux-image-lowlatency-64k (Ubuntu package): before 6.5.0.42.42.1

linux-image-lowlatency-hwe-22.04 (Ubuntu package): before 6.5.0.42.42.1~22.04.1

linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package): before 6.5.0.42.42.1~22.04.1

linux-image-lowlatency (Ubuntu package): before 6.5.0.42.42.1

linux-image-6.5.0-42-lowlatency-64k (Ubuntu package): before 6.5.0-42.42.1~22.04.1

linux-image-6.5.0-42-lowlatency (Ubuntu package): before 6.5.0-42.42.1~22.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6872-2


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: #VU89055

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-2024-26924

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 improper management of internal resources within the nft_pipapo_remove() function in net/netfilter/nft_set_pipapo.c. A local user can perform a denial of service (DoS) attack.

Mitigation

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

Vulnerable software versions

Ubuntu: 22.04 - 23.10

linux-image-lowlatency-64k (Ubuntu package): before 6.5.0.42.42.1

linux-image-lowlatency-hwe-22.04 (Ubuntu package): before 6.5.0.42.42.1~22.04.1

linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package): before 6.5.0.42.42.1~22.04.1

linux-image-lowlatency (Ubuntu package): before 6.5.0.42.42.1

linux-image-6.5.0-42-lowlatency-64k (Ubuntu package): before 6.5.0-42.42.1~22.04.1

linux-image-6.5.0-42-lowlatency (Ubuntu package): before 6.5.0-42.42.1~22.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6872-2


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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