SB2022081036 - SUSE update for the Linux Kernel (Live Patch 17 for SLE 15 SP3) 



SB2022081036 - SUSE update for the Linux Kernel (Live Patch 17 for SLE 15 SP3)

Published: August 10, 2022 Updated: July 2, 2023

Security Bulletin ID SB2022081036
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-2022-1679)

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

The vulnerability exists due to a use-after-free error within the ath9k_htc_wait_for_target() function in the Linux kernel’s Atheros wireless adapter driver. A local user can execute arbitrary code with elevated privileges.


2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-20141)

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

The vulnerability exists due to improper imposition of security restrictions in the Linux kernel's components. A local user can trigger the vulnerability to bypass security restrictions bypass and escalate privileges on the system.


3) Type Confusion (CVE-ID: CVE-2022-34918)

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

The vulnerability exists in the Linux kernel’s Netfilter subsystem in the way a user provides incorrect input of the NFT_DATA_VERDICT type. A local user can pass specially crafted data to the application, trigger a type confusion error and escalate privileges on the system.


Remediation

Install update from vendor's website.