Loop with Unreachable Exit Condition ('Infinite Loop') Affecting qemu package, versions <1:7.1+dfsg-1


Severity

Recommended
0.0
low
0
10

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Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-DEBIAN13-QEMU-5694093
  • published20 Dec 2020
  • disclosed17 Aug 2022

Introduced: 20 Dec 2020

CVE-2020-14394  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Debian:13 qemu to version 1:7.1+dfsg-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Debian. See How to fix? for Debian:13 relevant fixed versions and status.

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 Scores

version 3.1