#VU96546 Race condition in Linux kernel - CVE-2024-43892

Vulnerability identifier: #VU96546

Vulnerability 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-2024-43892

CWE-ID: CWE-362

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 escalate privileges on the system.

The vulnerability exists due to a race condition within the MEM_CGROUP_ID_MAX(), mem_cgroup_alloc() and mem_cgroup_css_online() functions in mm/memcontrol.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/37a060b64ae83b76600d187d76591ce488ab836b
https://git.kernel.org/stable/c/51c0b1bb7541f8893ec1accba59eb04361a70946
https://git.kernel.org/stable/c/9972605a238339b85bd16b084eed5f18414d22db

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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.