SB2024072330 - Use-after-free in Linux kernel fs
Published: July 23, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024072330
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-2024-41012)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the fcntl_setlk() function in fs/locks.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/b6d223942c34057fdfd8f149e763fa823731b224
- https://git.kernel.org/stable/c/3cad1bc010416c6dd780643476bc59ed742436b9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.319
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.223
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.164
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.281
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.101
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.42