SB2023060722 - SUSE update for the Linux Kernel (Live Patch 12 for SLE 15 SP4) 



SB2023060722 - SUSE update for the Linux Kernel (Live Patch 12 for SLE 15 SP4)

Published: June 7, 2023

Security Bulletin ID SB2023060722
Severity
Low
Patch available
YES
Number of vulnerabilities 1
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 1 security vulnerability.


1) Type Confusion (CVE-ID: CVE-2023-23454)

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

The vulnerability exists due to a type confusion error within the cbq_classify() function in net/sched/sch_cbq.c in the Linux kernel. A local user can trigger a type confusion error and crash the kernel.


Remediation

Install update from vendor's website.