SB2023020938 - SUSE update for the Linux Kernel RT (Live Patch 1 for SLE 15 SP4)



SB2023020938 - SUSE update for the Linux Kernel RT (Live Patch 1 for SLE 15 SP4)

Published: February 9, 2023

Security Bulletin ID SB2023020938
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2022-4379)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the __nfs42_ssc_open() function in fs/nfs/nfs4file.c. A remote attacker can perform a denial of service (DoS) attack.



Remediation

Install update from vendor's website.