SB2022042401 - SUSE update for the Linux Kernel (Live Patch 14 for SLE 15 SP3) 

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2022042401

SB2022042401 - SUSE update for the Linux Kernel (Live Patch 14 for SLE 15 SP3)

Published: April 24, 2022 Updated: June 18, 2023

Security Bulletin ID SB2022042401
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-2022-1011)

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

The vulnerability exists due to a use-after-free error in the write() function of FUSE filesystem. A local user can retireve (partial) /etc/shadow hashes and execute arbitrary code with elevated privileges.


2) Use-after-free (CVE-ID: CVE-2022-1016)

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

The vulnerability exists due to a use-after-free error in net/netfilter/nf_tables_core.c:nft_do_chain in Linux kernel.. A local user can trigger a use-after-free error and gain access to sensitive information.


3) Use-after-free (CVE-ID: CVE-2022-1055)

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

The vulnerability exists due to a use-after-free error within the tc_new_tfilter in Linux kernel. A local user can run a specially crafted program to trigger a use-after-free error and execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.

References