SB2025022742 - Use-after-free in Linux kernel btrfs
Published: February 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025022742
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-2025-21753)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the fs/btrfs/transaction.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/6ba4663ada6c6315af23a6669d386146634808ec
- https://git.kernel.org/stable/c/86d71a026a7f63da905db9add845c8ee88801eca
- https://git.kernel.org/stable/c/8f5cff471039caa2b088060c074c2bf2081bcb01
- https://git.kernel.org/stable/c/ce628048390dad80320d5a1f74de6ca1e1be91e7
- https://git.kernel.org/stable/c/e2f0943cf37305dbdeaf9846e3c941451bcdef63
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.235
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.179
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.291
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.129
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.78