SB2022051060 - SUSE update for the Linux Kernel (Live Patch 15 for SLE 15 SP2) 



SB2022051060 - SUSE update for the Linux Kernel (Live Patch 15 for SLE 15 SP2)

Published: May 10, 2022

Security Bulletin ID SB2022051060
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2022-0330)

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

The vulnerability exists due to a random memory access flaw caused by a missing TLB flush in Linux kernel GPU i915 kernel driver functionality. A local user can execute arbitrary code on the system with elevated privileges.


2) Out-of-bounds write (CVE-ID: CVE-2022-1158)

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

The vulnerability exists due the KVM implementation in Linux kernel does not properly perform guest page table updates in some situations. A remote user on the guest operating system can trigger memory corruption and perform a denial of service attack against the host OS.


Remediation

Install update from vendor's website.