Main Vulnerability Database SB2023100580

SB2023100580 - Red Hat Enterprise Linux 9.0 Extended Update Support update for glibc

Published: October 5, 2023 Updated: March 7, 2025

Security Bulletin ID SB2023100580

Severity

Low

Patch available

YES

Number of vulnerabilities 1

Exploitation vector Local access

Highest impact Code execution

Breakdown by Severity

Low
Medium
High
Critical

Description

This security bulletin contains information about 1 security vulnerability.

1) Buffer overflow (CVE-ID: CVE-2023-4911)

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

The vulnerability exists due to insufficient validation of GLIBC_TUNABLES environment variable. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.

Remediation

Install update from vendor's website.

References

https://access.redhat.com/errata/RHSA-2023:5454