SB2025082609 - Privilege escalation in Linux kernel mm
Published: August 26, 2025
Security Bulletin ID
SB2025082609
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-2025-38554)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error in mm/mmap_lock.c. A local user can trigger a use-after-free error and escalate privileges on the system.
Remediation
Install update from vendor's website.