SB2024063002 - Buffer overflow in Linux kernel sof xtensa



SB2024063002 - Buffer overflow in Linux kernel sof xtensa

Published: June 30, 2024 Updated: May 13, 2025

Security Bulletin ID SB2024063002
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Buffer overflow (CVE-ID: CVE-2021-47381)

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

The vulnerability exists due to memory corruption within the xtensa_stack() function in sound/soc/sof/xtensa/core.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.