VulnerabilityModified
CVE-2020-14394
This flaw allows a privileged guest user to hang the QEMU process on the host, resulting in a denial of service.
LOW 3.2EPSS 0.39%
Does this matter?
Lower severity and a low EPSS score (0.39%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 3.2 LOWCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L
- EPSS
- 0.39% probability · 32th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-835
- Affected
- qemu/qemu · fedoraproject/extra packages for enterprise linux · fedoraproject/fedora · redhat/openstack platform · redhat/enterprise linux
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1908004Exploit, Issue Tracking, Third Party Advisory
- https://gitlab.com/qemu-project/qemu/-/issues/646Exploit, Issue Tracking, Patch, Third Party Advisory
- 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=1908004Exploit, Issue Tracking, Third Party Advisory
- https://gitlab.com/qemu-project/qemu/-/issues/646Exploit, Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/03/msg00013.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.