SB2026030911 - Red Hat Enterprise Linux 9 update for kpatch-patch-5_14_0-611_9_1



SB2026030911 - Red Hat Enterprise Linux 9 update for kpatch-patch-5_14_0-611_9_1

Published: March 9, 2026

Security Bulletin ID SB2026030911
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2025-40248)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the vsock_connect() function in net/vmw_vsock/af_vsock.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.