SB2022092746 - SUSE update for the Linux Kernel (Live Patch 13 for SLE 15 SP3) 

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Main Vulnerability Database SB2022092746

SB2022092746 - SUSE update for the Linux Kernel (Live Patch 13 for SLE 15 SP3)

Published: September 27, 2022

Security Bulletin ID SB2022092746
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-2022-1652)

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

The vulnerability exists due to use-after-free error in the bad_flp_intr() function. A local user can execute a specially-crafted program to cause a denial of service condition on the system or escalate privileges on the system.


2) Improper update of reference count (CVE-ID: CVE-2022-29581)

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

The vulnerability exists due to improper update of reference count in net/sched in Linux kernel. A local user can execute arbitrary code with root privileges.


3) Race condition (CVE-ID: CVE-2022-39188)

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

The vulnerability exists due to a race condition within include/asm-generic/tlb.h in the Linux kernel. A local user can exploit the race and escalate privileges on the system.

Note, this only occurs in situations with VM_PFNMAP VMAs.


Remediation

Install update from vendor's website.

References