SB2026011314 - Local privilege escalation in F5OS Linux kernel zswap
Published: January 13, 2026
Security Bulletin ID
SB2026011314
Severity
Low
Patch available
NO
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-2023-53178)
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_writeback_entry() function in mm/zswap.c. A local user can escalate privileges on the system.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.