SB2026042035 - Red Hat Enterprise Linux 9 update for kernel

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Main Vulnerability Database SB2026042035

SB2026042035 - Red Hat Enterprise Linux 9 update for kernel

Published: April 20, 2026

Security Bulletin ID SB2026042035
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) Resource management error (CVE-ID: CVE-2025-39766)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to resource management error within the cake_enqueue() function in net/sched/sch_cake.c. A local user can perform a denial of service (DoS) attack.


2) 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.


Remediation

Install update from vendor's website.

References