#VU105023 Improper locking in Linux kernel - CVE-2024-57975

Vulnerability identifier: #VU105023

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-2024-57975

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 can_nocow_file_extent() and run_delalloc_nocow() functions in fs/btrfs/inode.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 - 6.12.12, 6.13 - 6.13.1

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External links
https://git.kernel.org/stable/c/2434533f1c963e7317c45880c98287e5bed98325
https://git.kernel.org/stable/c/5ae72abbf91eb172ce3a838a4dc34be3c9707296
https://git.kernel.org/stable/c/c2b47df81c8e20a8e8cd94f0d7df211137ae94ed
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.13
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.2
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?