SB2022062938 - Red Hat Enterprise Linux 7 update for kpatch-patch



SB2022062938 - Red Hat Enterprise Linux 7 update for kpatch-patch

Published: June 29, 2022

Security Bulletin ID SB2022062938
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-2022-1966)

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

The vulnerability exists due to a use-after-free error in the Linux kernel's Netfilter subsystem in net/netfilter/nf_tables_api.c. A local user can trigger use-after-free error to escalate privileges on the system.


Remediation

Install update from vendor's website.