SB2023051671 - Privilege escalation in Linux kernel



SB2023051671 - Privilege escalation in Linux kernel

Published: May 16, 2023 Updated: June 14, 2023

Security Bulletin ID SB2023051671
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) Improper Control of Dynamically-Managed Code Resources (CVE-ID: CVE-2022-25265)

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

The vulnerability exists due to an error in Linux kernel due to certain binary files may have the exec-all attribute if they were built in approximately 2003 (e.g., with GCC 3.2.2 and Linux kernel 2.4.20). This can cause execution of bytes located in supposedly non-executable regions of a file.


Remediation

Install update from vendor's website.