| Name | CVE-2022-26353 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-5133-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| qemu (PTS) | jessie, jessie (lts) | 1:2.1+dfsg-12+deb8u23 | fixed |
| stretch (security) | 1:2.8+dfsg-6+deb9u17 | fixed |
| stretch (lts), stretch | 1:2.8+dfsg-6+deb9u19 | fixed |
| buster (security), buster, buster (lts) | 1:3.1+dfsg-8+deb10u12 | fixed |
| bullseye | 1:5.2+dfsg-11+deb11u3 | fixed |
| bullseye (security) | 1:5.2+dfsg-11+deb11u2 | fixed |
| bookworm | 1:7.2+dfsg-7+deb12u7 | fixed |
| sid, trixie | 1:9.1.1+ds-5 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| qemu | source | jessie | (not affected) | | | |
| qemu | source | stretch | (not affected) | | | |
| qemu | source | buster | (not affected) | | | |
| qemu | source | bullseye | 1:5.2+dfsg-11+deb11u2 | | DSA-5133-1 | |
| qemu | source | (unstable) | 1:7.0+dfsg-1 | | | |
Notes
[buster] - qemu <not-affected> (Original upstream fix for CVE-2021-3748 not applied, new fix applied in DSA)
[stretch] - qemu <not-affected> (Original upstream fix for CVE-2021-3748 not applied)
https://bugzilla.redhat.com/show_bug.cgi?id=2063197
https://lists.nongnu.org/archive/html/qemu-devel/2022-03/msg02438.html
Fixed by: https://gitlab.com/qemu-project/qemu/-/commit/abe300d9d894f7138e1af7c8e9c88c04bfe98b37 (v7.0.0-rc0)
Introduced by: https://gitlab.com/qemu-project/qemu/-/commit/bedd7e93d01961fcb16a97ae45d93acf357e11f6 (v6.2.0-rc0)
Introduced by the original fix for CVE-2021-3748.
[jessie] - qemu <not-affected> (Original upstream fix for CVE-2021-3748 not applied)