CVEvulnerability
CVE-2020-14394
3.2 LOW
Official page ↗
- Status
- Modified
- Published
- 2022-08-17
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 3.2 LOW — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L
- Weaknesses
- CWE-835
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.
Affected configurations
• qemu qemu 6.1.50
• fedoraproject extra packages for enterprise linux 7.0
• fedoraproject fedora 33
• fedoraproject fedora 37
• redhat openstack platform 10.0
• redhat openstack platform 13.0
• redhat enterprise linux 5.0
• redhat enterprise linux 6.0
• redhat enterprise linux 7.0
• redhat enterprise linux 8.0
• redhat enterprise linux 9.0
Related
Weakness · CWE (1)
- CWE-835 Loop with Unreachable Exit Condition weakness
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1908004 Exploit, Issue Tracking, Third Party Advisory
- https://gitlab.com/qemu-project/qemu/-/issues/646 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/03/msg00013.html lists.debian.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/ lists.fedoraproject.org
- https://bugzilla.redhat.com/show_bug.cgi?id=1908004 Exploit, Issue Tracking, Third Party Advisory
- https://gitlab.com/qemu-project/qemu/-/issues/646 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/03/msg00013.html lists.debian.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/ lists.fedoraproject.org