#VU120621 Stack-based buffer overflow in QEMU - CVE-2025-12464
Published: December 29, 2025
Vulnerability identifier: #VU120621
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-12464
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
QEMU
QEMU
Software vendor:
QEMU
QEMU
Description
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.