SB2024081952 - Use-after-free in Linux kernel btrfs
Published: August 19, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024081952
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-42314)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the add_ra_bio_pages() function in fs/btrfs/compression.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/c205565e0f2f439f278a4a94ee97b67ef7b56ae8
- https://git.kernel.org/stable/c/b7859ff398b6b656e1689daa860eb34837b4bb89
- https://git.kernel.org/stable/c/8e7860543a94784d744c7ce34b78a2e11beefa5c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.108
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.44