CVE-2022-26353

high

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.

References

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

https://security.gentoo.org/glsa/202208-27

Details

Source: MITRE

Published: 2022-03-16

Updated: 2023-02-12

Type: CWE-772

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH