Vulnerability identifier: #VU91472

Vulnerability risk: Low

CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-27058

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 shmem_free_file_info(), shmem_get_next_id(), shmem_acquire_dquot(), shmem_is_empty_dquot() and shmem_release_dquot() functions in mm/shmem_quota.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://git.kernel.org/stable/c/c7077f43f30d817d10a9f8245e51576ac114b2f0
http://git.kernel.org/stable/c/617d55b90e73c7b4aa2733ca6cc3f9b72d1124bb
http://git.kernel.org/stable/c/f82f184874d2761ebaa60dccf577921a0dbb3810
http://git.kernel.org/stable/c/0a69b6b3a026543bc215ccc866d0aea5579e6ce2

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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.