SB2022041133 - Privilege escalation in Linux kernel SUNRPC



SB2022041133 - Privilege escalation in Linux kernel SUNRPC

Published: April 11, 2022

Security Bulletin ID SB2022041133
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-2022-28893)

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

The vulnerability exists due to a use-after-free error within the SUNRPC subsystem in the Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.