SB2025082892 - Buffer overflow in Linux kernel iommu amd driver



SB2025082892 - Buffer overflow in Linux kernel iommu amd driver

Published: August 28, 2025

Security Bulletin ID SB2025082892
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

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-2025-38676)

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

The vulnerability exists due to memory corruption within the parse_ivrs_acpihid() function in drivers/iommu/amd/init.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.