SB2025050555 - Red Hat Enterprise Linux 9 update for kernel 



SB2025050555 - Red Hat Enterprise Linux 9 update for kernel

Published: May 5, 2025

Security Bulletin ID SB2025050555
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) Buffer overflow (CVE-ID: CVE-2025-21927)

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

The vulnerability exists due to memory corruption within the nvme_tcp_queue_id() and nvme_tcp_recv_pdu() functions in drivers/nvme/host/tcp.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.