SB2025042255 - Use-after-free in Linux kernel mm
Published: April 22, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025042255
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-2025-22030)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the zswap_cpu_comp_dead() function in mm/zswap.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/717d9c35deff6c33235693171bacbb03e9643fa4
- https://git.kernel.org/stable/c/747e3eec1d7d124ea90ed3d7b85369df8b4e36d2
- https://git.kernel.org/stable/c/a8d18000e9d2d97aaf105f5f9b3b0e8a6fbf8b96
- https://git.kernel.org/stable/c/c11bcbc0a517acf69282c8225059b2a8ac5fe628
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.2