SB2024022858 - SUSE update for the Linux Kernel RT (Live Patch 0 for SLE 15 SP5) 

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Main Vulnerability Database SB2024022858

SB2024022858 - SUSE update for the Linux Kernel RT (Live Patch 0 for SLE 15 SP5)

Published: February 28, 2024

Security Bulletin ID SB2024022858
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2023-39198)

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

The vulnerability exists due to a use-after-free error within the QXL driver in the Linux kernel. A local privileged user can trigger a use-after-free error and escalate privileges on the system.


2) Use-after-free (CVE-ID: CVE-2023-4921)

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

The vulnerability exists due to a use-after-free error in the qfq_dequeue() function within the the Linux kernel's net/sched: sch_qfq component. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.


3) Race condition (CVE-ID: CVE-2023-51780)

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

The vulnerability exists due to a race condition in the ATM (Asynchronous Transfer Mode) subsystem in Linux kernel. A local user can exploit the race and escalate privileges on the system.


Remediation

Install update from vendor's website.

References