SB2024080638 - Amazon Linux AMI update for kernel-livepatch



SB2024080638 - Amazon Linux AMI update for kernel-livepatch

Published: August 6, 2024

Security Bulletin ID SB2024080638
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) Release of invalid pointer or reference (CVE-ID: CVE-2022-48425)

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

The vulnerability exists due to an invalid kfree in fs/ntfs3/inode.c caused by improper validation of MFT flags before replaying logs. A local user can execute arbitrary code with elevated privileges.


2) Use-after-free (CVE-ID: CVE-2023-32233)

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

The vulnerability exists due to a use-after-free error in Netfilter nf_tables when processing batch requests. A local user can trigger a use-after-free error and execute arbitrary code with root privileges.


Remediation

Install update from vendor's website.