SB2025123081 - Memory leak in Linux kernel xfrm
Published: December 30, 2025 Updated: December 31, 2025
Security Bulletin ID
SB2025123081
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2023-54273)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the xfrm_dev_policy_add() function in net/xfrm/xfrm_device.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.