SB20240530171 - Use-after-free in Linux kernel gfs2
Published: May 30, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240530171
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-2023-52760)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the spin_unlock() function in fs/gfs2/super.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/08a28272faa750d4357ea2cb48d2baefd778ea81
- https://git.kernel.org/stable/c/bdcb8aa434c6d36b5c215d02a9ef07551be25a37
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.97
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7