PulseLinuxLINUX UPDATE INTELLIGENCE
CVE Database›Document archive›CVE-2026-23229

CVE-2026-23229

kernel: Kernel: Denial of Service in virtio-crypto due to missing spinlock protection

Loading…

Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · February 18, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's virtio-crypto driver. A local attacker, by running multiple OpenSSL processes with the afalg engine, could trigger a race condition due to missing spinlock protection in the virtcrypto_done_task() function. This could lead to a system hang, resulting in a Denial of Service (DoS).

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-820 · Missing Synchronization