| Name | CVE-2021-3611 |
| Description | A stack overflow vulnerability was found in the Intel HD Audio device (intel-hda) of QEMU. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition. The highest threat from this vulnerability is to system availability. This flaw affects QEMU versions prior to 7.0.0. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 990562 |
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 | 1:3.1+dfsg-8+deb10u8 | fixed |
| buster (security) | 1:3.1+dfsg-8+deb10u12 | fixed |
| bullseye | 1:5.2+dfsg-11+deb11u3 | vulnerable |
| bullseye (security) | 1:5.2+dfsg-11+deb11u2 | vulnerable |
| bookworm | 1:7.2+dfsg-7+deb12u5 | fixed |
| trixie | 1:8.2.1+ds-2 | fixed |
| sid | 1:8.2.2+ds-2 | 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 | (unstable) | 1:7.0+dfsg-1 | | | 990562 |
Notes
[bullseye] - qemu <ignored> (Minor issue, too intrusive to backport)
[buster] - qemu <not-affected> (Vulnerable code introduced later)
[stretch] - qemu <not-affected> (Vulnerable code introduced later)
https://bugs.launchpad.net/qemu/+bug/1907497
https://gitlab.com/qemu-project/qemu/-/issues/542
Introduced by: https://git.qemu.org/?p=qemu.git;a=commit;h=a9d8ba2be58e067bdfbff830eb9ff438d8db7f10 (v5.0.0-rc0)
Proposed fix: https://lore.kernel.org/qemu-devel/20211218160912.1591633-1-philmd@redhat.com/
Fixed by: https://gitlab.com/qemu-project/qemu/-/commit/79fa99831debc9782087e834382c577215f2f511 (v7.0.0-rc1)
[jessie] - qemu <not-affected> (Vulnerable code introduced later)