Vulnerability Details CVE-2020-14394
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 0.3%
CVSS Severity
CVSS v3 Score 3.2
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1908004
- https://gitlab.com/qemu-project/qemu/-/issues/646
- https://lists.debian.org/debian-lts-announce/2023/03/msg00013.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/
- https://bugzilla.redhat.com/show_bug.cgi?id=1908004
- https://gitlab.com/qemu-project/qemu/-/issues/646
- https://lists.debian.org/debian-lts-announce/2023/03/msg00013.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/
Products affected by CVE-2020-14394
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cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:7.0
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cpe:2.3:a:qemu:qemu:6.1.50
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cpe:2.3:a:redhat:openstack_platform:10.0
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cpe:2.3:a:redhat:openstack_platform:13.0
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cpe:2.3:o:fedoraproject:fedora:33
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cpe:2.3:o:fedoraproject:fedora:37
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cpe:2.3:o:redhat:enterprise_linux:5.0
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cpe:2.3:o:redhat:enterprise_linux:6.0
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cpe:2.3:o:redhat:enterprise_linux:7.0
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cpe:2.3:o:redhat:enterprise_linux:8.0
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cpe:2.3:o:redhat:enterprise_linux:9.0