| Name | CVE-2021-3544 |
| Description | Several memory leaks were found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. They exist in contrib/vhost-user-gpu/vhost-user-gpu.c and contrib/vhost-user-gpu/virgl.c due to improper release of memory (i.e., free) after effective lifetime. |
| 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-4980-1 |
| Debian Bugs | 989042 |
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+deb11u1 | DSA-4980-1 | ||
| qemu | source | (unstable) | 1:6.1+dfsg-1 | 989042 |
[buster] - qemu <not-affected> (Only minimal support present and not installed in binary packages)
[stretch] - qemu <not-affected> (The vulnerable code was introduced later)
https://bugzilla.redhat.com/show_bug.cgi?id=1958935
https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01155.html
https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01151.html
https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01157.html
https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01152.html
https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01156.html
https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01158.html
https://gitlab.com/qemu-project/qemu/-/commit/86dd8fac
https://gitlab.com/qemu-project/qemu/-/commit/b9f79858
https://gitlab.com/qemu-project/qemu/-/commit/b7afebcf
https://gitlab.com/qemu-project/qemu/-/commit/f6091d86
https://gitlab.com/qemu-project/qemu/-/commit/63736af5
[jessie] - qemu <not-affected> (The vulnerable code is not present)