CVE-2022-26353
7.5
HIGH
CVSS 3.1
EPSS 0.24%
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.
How to fix CVE-2022-26353
To remediate CVE-2022-26353, upgrade the affected package to a fixed version below.
- Debian/qemu—upgrade to 1:5.2+dfsg-11+deb11u2 or later
Is CVE-2022-26353 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:5.2+dfsg-11+deb11u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |