| Name | CVE-2020-14394 |
| Description | An infinite loop flaw was found in the USB xHCI controller emulation of QEMU while computing the length of the Transfer Request Block (TRB) Ring. This flaw allows a privileged guest user to hang the QEMU process on the host, resulting in a denial of service. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3362-1, ELA-1063-1 |
| Debian Bugs | 979677 |
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 | vulnerable |
| stretch (security) | 1:2.8+dfsg-6+deb9u17 | vulnerable |
| 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 | vulnerable |
| 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 | stretch | 1:2.8+dfsg-6+deb9u19 | | ELA-1063-1 | |
| qemu | source | buster | 1:3.1+dfsg-8+deb10u10 | | DLA-3362-1 | |
| qemu | source | bullseye | 1:5.2+dfsg-11+deb11u3 | | | |
| qemu | source | (unstable) | 1:7.1+dfsg-1 | | | 979677 |
Notes
https://bugzilla.redhat.com/show_bug.cgi?id=1908004
https://gitlab.com/qemu-project/qemu/-/issues/646
Fixed by: https://gitlab.com/qemu-project/qemu/-/commit/effaf5a240e03020f4ae953e10b764622c3e87cc (v7.1.0-rc3)
[jessie] - qemu <postponed> (Minor issue, privileged local DoS, low CVSS, fix along with next ELA)