SB2025111001 - Red Hat Enterprise Linux 9 update for kernel

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Main Vulnerability Database SB2025111001

SB2025111001 - Red Hat Enterprise Linux 9 update for kernel

Published: November 10, 2025

Security Bulletin ID SB2025111001
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Information exposure through microarchitectural state after transient execution (CVE-ID: CVE-2024-36350)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to information leak. A local user can obtain sensitive data from previous stores.


2) Information exposure through microarchitectural state after transient execution (CVE-ID: CVE-2024-36357)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to information leak. A local user can obtain sensitive data from the L1D cache.


3) Input validation error (CVE-ID: CVE-2025-40300)

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

The vulnerability exists due to improper input validation within the vcpu_enter_guest() function in arch/x86/kvm/x86.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References