CVE-2020-14394
qemu - security update
3.2
LOW
CVSS 3.1
EPSS 0.03%
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.
How to fix CVE-2020-14394
To remediate CVE-2020-14394, upgrade the affected package to a fixed version below.
- Debian/qemu—upgrade to 1:5.2+dfsg-11+deb11u3 or later
- —upgrade to 1:3.1+dfsg-8+deb10u10 or later
Is CVE-2020-14394 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1:5.2+dfsg-11+deb11u3
- from 0, < 1:3.1+dfsg-8+deb10u10
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.2 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L |