#VU105026 Improper locking in Linux kernel - CVE-2024-57977

Vulnerability identifier: #VU105026

Vulnerability 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-2024-57977

CWE-ID: CWE-667

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

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

The vulnerability exists due to improper locking within the dump_tasks() function in mm/oom_kill.c, within the mem_cgroup_scan_tasks() function in mm/memcontrol.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.12, 6.12.1, 6.12.2, 6.12.3, 6.12.4, 6.12.5, 6.12.6, 6.12.7, 6.12.8, 6.12.9, 6.12.10, 6.12.11, 6.12.12

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External links
https://git.kernel.org/stable/c/46576834291869457d4772bb7df72d7c2bb3d57f
https://git.kernel.org/stable/c/ade81479c7dda1ce3eedb215c78bc615bbd04f06
https://git.kernel.org/stable/c/c3a3741db8c1202aa959c77df3a4c361612d1eb1
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.13

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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.