🛡️ CVE-2025-12464
🟡 CVSS 6.2 — Medium ✅ No Known Exploit CWE-121 NVD
6.2
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A stack-based buffer overflow was found in the QEMU e1000 network device. The code for padding short frames was dropped from individual network devices and moved to the net core code. The issue stems from the device's receive code still being able to process a short frame in loopback mode. This could lead to a buffer overrun in the e1000_receive_iov() function via the loopback code path. A malicious guest user could use this vulnerability to crash the QEMU process on the host, resulting in a denial of service.

Details

Severity MEDIUM
CVSS Score 6.2
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-121
Public Exploit ✅ No
Source NVD
Published 2025-10-31
Updated 2026-06-02
Modified 2026-05-06
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —

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