Loop with Unreachable Exit Condition ('Infinite Loop') Affecting qemu package, versions <1:5.2+dfsg-11+deb11u3
Snyk CVSS
Attack Complexity
Low
Privileges Required
High
Scope
Changed
Threat Intelligence
EPSS
0.05% (19th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN11-QEMU-1053214
- published 20 Dec 2020
- disclosed 17 Aug 2022
Introduced: 20 Dec 2020
CVE-2020-14394 Open this link in a new tabHow to fix?
Upgrade Debian:11
qemu
to version 1:5.2+dfsg-11+deb11u3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu
package and not the qemu
package as distributed by Debian
.
See How to fix?
for Debian:11
relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2020-14394
- https://bugzilla.redhat.com/show_bug.cgi?id=1908004
- https://gitlab.com/qemu-project/qemu/-/issues/646
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/
- https://lists.debian.org/debian-lts-announce/2023/03/msg00013.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/