CVE-2025-14876 MEDIUM

CVE-2025-14876: Qemu-kvm: unbounded allocation in virtio-crypto

Vendor Red Hat
Product Red Hat Enterprise Linux 10
Weakness CWE-770 · Uncontrolled resource consumption
Published February 18, 2026
Last update February 19, 2026

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

A flaw was found in the virtio-crypto device of QEMU. A malicious guest operating system can exploit a missing length limit in the AKCIPHER path, leading to uncontrolled memory allocation. This can result in a denial of service (DoS) on the host system by causing the QEMU process to terminate unexpectedly.

Key dates

02Disclosure timeline

February 18, 2026 CVE published
February 19, 2026 Record updated