CVE-2022-26353
HIGH severity · CVSS 7.5 · CWE-772
7.5CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)3%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://gitlab.com/qemu-project/qemu/-/commit/abe300d9d894f7138e1af7c8e9c88c04bfe98b37 ↗
Additional information
- NVD record
- https://gitlab.com/qemu-project/qemu/-/commit/abe300d9d894f7138e1af7c8e9c88c04bfe98b37Patch
- https://lists.nongnu.org/archive/html/qemu-devel/2022-03/msg02438.htmlPatch
- https://security.gentoo.org/glsa/202208-27Advisory
- https://security.netapp.com/advisory/ntap-20220425-0003/Advisory
- https://www.debian.org/security/2022/dsa-5133Advisory