SB2024071319 - Use-after-free in Linux kernel cachefiles
Published: July 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071319
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-2024-40935)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the cachefiles_daemon_open() function in fs/cachefiles/daemon.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/320ba9cbca78be79c912143bbba1d1b35ca55cf0
- https://git.kernel.org/stable/c/3bf0b8030296e9ee60d3d4c15849ad9ac0b47081
- https://git.kernel.org/stable/c/e73fac95084839c5178d97e81c6a2051251bdc00
- https://git.kernel.org/stable/c/85e833cd7243bda7285492b0653c3abb1e2e757b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.95
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.35