SB2023031322 - Red Hat Enterprise Linux 8.6 Extended Update Support update for kpatch-patch

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Main Vulnerability Database SB2023031322

SB2023031322 - Red Hat Enterprise Linux 8.6 Extended Update Support update for kpatch-patch

Published: March 13, 2023

Security Bulletin ID SB2023031322
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Out-of-bounds write (CVE-ID: CVE-2022-2964)

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

The vulnerability exists due to a boundary error within the ASIX AX88179_178A-based USB 2.0/3.0 Gigabit Ethernet Devices driver in Linux kernel. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.


2) Use-after-free (CVE-ID: CVE-2022-41222)

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

The vulnerability exists due to a use-after-free error caused by a stale TLB in mm/mremap.c, because an rmap lock is not held during a PUD move. A local user can gain access to sensitive information.


Remediation

Install update from vendor's website.

References