Race condition within a thread in Linux kernel - CVE-2024-26905
Published: June 8, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91435
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-26905
CWE-ID: CWE-366
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 manipulate data.
The vulnerability exists due to a data race within the btrfs_calc_reclaim_metadata_size(), need_preemptive_reclaim() and btrfs_preempt_reclaim_metadata_space() functions in fs/btrfs/space-info.c. A local user can manipulate data.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/995e91c9556c8fc6028b474145a36e947d1eb6b6
- https://git.kernel.org/stable/c/82220b1835baaebf4ae2e490f56353a341a09bd2
- https://git.kernel.org/stable/c/c44542093525699a30c307dae1ea5a1b03b3302f
- https://git.kernel.org/stable/c/e06cc89475eddc1f3a7a4d471524256152c68166
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.83
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8