SB20240608147 - Race condition within a thread in Linux kernel btrfs
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240608147
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition within a thread (CVE-ID: CVE-2024-26905)
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.
References
- 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