SB2022092003 - Privilege escalation in Linux kernel XFRM subsystem

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Main Vulnerability Database SB2022092003

SB2022092003 - Privilege escalation in Linux kernel XFRM subsystem

Published: September 20, 2022

Security Bulletin ID SB2022092003
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) Race condition (CVE-ID: CVE-2022-3028)

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

The vulnerability exists due to a race condition in the Linux kernel's IP framework for transforming packets (XFRM subsystem) when multiple calls to xfrm_probe_algs occurred simultaneously. A local user can exploit the race and escalate privileges on the system.


Remediation

Install update from vendor's website.

References