Improper locking in Linux kernel btrfs



| Updated: 2025-05-11
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-57975
CWE-ID CWE-667
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper locking

EUVDB-ID: #VU105023

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 - Improper Locking

Exploit availability: No

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 - 6.13.1

CPE2.3 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


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.



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