SB20260420136 - Red Hat Enterprise Linux 8 update for kernel



SB20260420136 - Red Hat Enterprise Linux 8 update for kernel

Published: April 20, 2026

Security Bulletin ID SB20260420136
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2025-68741)

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

The vulnerability exists due to a use-after-free error within the qla2xxx_process_purls_iocb() function in drivers/scsi/qla2xxx/qla_nvme.c. A local user can escalate privileges on the system.


2) Use-after-free (CVE-ID: CVE-2026-23191)

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

The vulnerability exists due to a use-after-free error within the is_access_interleaved() and loopback_check_format() functions in sound/drivers/aloop.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.