#VU94946 Use-after-free in Linux kernel - CVE-2024-41051

Vulnerability identifier: #VU94946

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-2024-41051

CWE-ID: CWE-416

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 use-after-free error within the cachefiles_ondemand_clean_object() function in fs/cachefiles/ondemand.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/ec9289369259d982e735a71437e32e6b4035290c
https://git.kernel.org/stable/c/d3179bae72b1b5e555ba839d6d9f40a350a4d78a
https://git.kernel.org/stable/c/b26525b2183632f16a3a4108fe6a4bfa8afac6ed
https://git.kernel.org/stable/c/12e009d60852f7bce0afc373ca0b320f14150418

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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.