CVE-2022-26353 Information

Description

A flaw was found in the virtio-net device of QEMU. This flaw was inadvertently introduced with the fix for CVE-2021-3748 which forgot to unmap the cached virtqueue elements on error leading to memory leakage and other unexpected results. Affected QEMU version: 6.2.0.

CVSS Vector

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

Reference

https://lists.nongnu.org/archive/html/qemu-devel/2022-03/msg02438.html https://gitlab.com/qemu-project/qemu/-/commit/abe300d9d894f7138e1af7c8e9c88c04bfe98b37 https://security.netapp.com/advisory/ntap-20220425-0003/ https://www.debian.org/security/2022/dsa-5133

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5