Buffer overflow in QEMU - CVE-2025-8860

 

Buffer overflow in QEMU - CVE-2025-8860

Published: September 5, 2025


Vulnerability identifier: #VU114881
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-8860
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: QEMU
Affected software:
QEMU

Detailed vulnerability description

The vulnerability allows a local user to gain access to sensitive information on the system.

The vulnerability exists due to a boundary error within the uefi-vars device. A local administrator can trigger memory corruption and gain access to sensitive information on the target system.


How to mitigate CVE-2025-8860

Install updates from vendor's website.

Sources