Low severity3.2NVD Advisory· Published Aug 17, 2022· Updated Jun 17, 2026
CVE-2020-14394
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
33- cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
- osv-coords20 versionspkg:rpm/opensuse/qemu&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/qemu&distro=openSUSE%20Leap%20Micro%205.3pkg:rpm/opensuse/qemu-linux-user&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/qemu-testsuite&distro=openSUSE%20Leap%2015.4pkg:rpm/suse/qemu&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/qemu&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-ESPOSpkg:rpm/suse/qemu&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/qemu&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/qemu&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/qemu&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/qemu&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/qemu&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4pkg:rpm/suse/qemu&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP4pkg:rpm/suse/qemu&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP3pkg:rpm/suse/qemu&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/qemu&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/qemu&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/qemu&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/qemu&distro=SUSE%20Manager%20Proxy%204.2pkg:rpm/suse/qemu&distro=SUSE%20Manager%20Server%204.2
< 6.2.0-150400.37.14.2+ 19 more
- (no CPE)range: < 6.2.0-150400.37.14.2
- (no CPE)range: < 6.2.0-150400.37.14.2
- (no CPE)range: < 6.2.0-150400.37.14.1
- (no CPE)range: < 6.2.0-150400.37.14.1
- (no CPE)range: < 5.2.0-150300.121.2
- (no CPE)range: < 5.2.0-150300.121.2
- (no CPE)range: < 5.2.0-150300.121.2
- (no CPE)range: < 5.2.0-150300.121.2
- (no CPE)range: < 5.2.0-150300.121.2
- (no CPE)range: < 6.2.0-150400.37.14.2
- (no CPE)range: < 6.2.0-150400.37.14.2
- (no CPE)range: < 6.2.0-150400.37.14.2
- (no CPE)range: < 6.2.0-150400.37.14.2
- (no CPE)range: < 5.2.0-150300.121.2
- (no CPE)range: < 3.1.1.1-66.1
- (no CPE)range: < 5.2.0-150300.121.2
- (no CPE)range: < 3.1.1.1-66.1
- (no CPE)range: < 5.2.0-150300.121.2
- (no CPE)range: < 5.2.0-150300.121.2
- (no CPE)range: < 5.2.0-150300.121.2
Patches
Vulnerability mechanics
References
4- bugzilla.redhat.com/show_bug.cginvdExploitIssue TrackingThird Party Advisory
- gitlab.com/qemu-project/qemu/-/issues/646nvdExploitIssue TrackingPatchThird Party Advisory
- lists.debian.org/debian-lts-announce/2023/03/msg00013.htmlnvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/nvd
News mentions
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