SB202502194451 - Amazon Linux AMI update for kernel

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Main Vulnerability Database SB202502194451

SB202502194451 - Amazon Linux AMI update for kernel

Published: February 19, 2025

Security Bulletin ID SB202502194451
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) Buffer overflow (CVE-ID: CVE-2023-21264)

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

The vulnerability exists due to a boundary error in KVM implementation in the Android kernel. A local application can trigger memory corruption and execute arbitrary code with elevated privileged.


2) Improper locking (CVE-ID: CVE-2023-2430)

The vulnerability allows a local user to perform a denial of service attack (DoS).

The vulnerability exists due to improper locking within the io_uring subsystem in Linux kernel when IOPOLL mode is being used. A local user can crash the kernel.


Remediation

Install update from vendor's website.

References