CVE-2020-14394

lowpriority · track · 13EPSS 0.004 · 33 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.39% (33rd) EPSS

CVSS 3.2 · low

Is it mine?

22 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

3.2

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.13.2lowCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:Lprimary · NVD / NIST USexploitability 1.5 · impact 1.4

v3.13.2lowAV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:Lsecondary · FSTEC (BDU) RU

v3.13lowCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-835USprimaryCWE-835US

affected products (22)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Gentoo Linuxall versionscert_bundDEcpe:/o:gentoo:linux:-
Open Source QEMUall versionscert_bundDEcpe:/a:qemu:qemu:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
n/a qemu≤ QEMU 6.1.50enisa_euvdEU
Fabrice Bellard QEMU≤ 6.1.50fstec_bduRU
АО «ИВК» АЛЬТ СП 10all versionsfstec_bduRU
АО «НППКТ» ОСОН ОСнова Оnyx≤ 2.6fstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 7.3fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 1.7fstec_bduRU
fedoraproject extra packages for enterprise linux= 7.0nvdUScpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:*:*:*:*:*:*:*:*
fedoraproject fedora= 33nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
fedoraproject fedora= 37nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
qemu qemu= 6.1.50nvdUScpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
redhat enterprise linux= 5.0nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
redhat enterprise linux= 6.0nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
redhat enterprise linux= 7.0nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
redhat enterprise linux= 8.0nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
redhat enterprise linux= 9.0nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*

showing 20 of 22

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-2259QEMU: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2021-01-11csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in QEMU ausnutzen, um einen Denial of Service Angriff durchzuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2022-08-17modified 2026-06-17

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+1377 more

references (20)

External citations — patches, advisories, analysis.

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