#VU90791 Improper locking in Linux kernel - CVE-2024-26726
Published: June 3, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90791
Vulnerability risk: Low
CVSSv4.0: 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-2024-26726
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
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 clear_extent_uptodate() function in fs/btrfs/inode.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/02f2b95b00bf57d20320ee168b30fb7f3db8e555
- https://git.kernel.org/stable/c/7bddf18f474f166c19f91b2baf67bf7c5eda03f7
- https://git.kernel.org/stable/c/a4b7741c8302e28073bfc6dd1c2e73598e5e535e
- https://git.kernel.org/stable/c/5571e41ec6e56e35f34ae9f5b3a335ef510e0ade
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.79
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8