SB20260216114 - Buffer overflow in Linux kernel mm
Published: February 16, 2026
Security Bulletin ID
SB20260216114
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) Buffer overflow (CVE-ID: CVE-2026-23177)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the shmem_undo_range() function in mm/shmem.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.