SB2025122914 - Local denial of service in QEMU e1000 network device



SB2025122914 - Local denial of service in QEMU e1000 network device

Published: December 29, 2025

Security Bulletin ID SB2025122914
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) Stack-based buffer overflow (CVE-ID: CVE-2025-12464)

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

The vulnerability exists due to a boundary error within the e1000_receive_iov() function. A local user or malicious guest can send a short frame in loopback mode, trigger a stack-based buffer overflow and perform a denial of service attack. 


Remediation

Install update from vendor's website.