CVE-2020-14394
qemu: An infinite loop flaw was found in the USB xHCI controller emulation of QEMU while computing the length of the Transf...
CVE-2020-14394 is fixed in 21 products on 1 platform, first by DEBIAN-CVE-2020-14394, released August 17, 2022. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
3.2
low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0039
33rd percentile
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| qemu · Debian 12.15 (bookworm) | 1:7.1+dfsg-1 | DEBIAN-CVE-2020-14394 | Aug 17, 2022 |
| qemu · Debian 13.5 (trixie) | 1:7.1+dfsg-1 | DEBIAN-CVE-2020-14394 | Aug 17, 2022 |
| qemu · Debian 14 | 1:7.1+dfsg-1 | DEBIAN-CVE-2020-14394 | Aug 17, 2022 |
| qemu · Ubuntu 18.04.6 LTS (bionic) | 1:2.11+dfsg-1ubuntu7.42+esm5 | qemu 1:2.11+dfsg-1ubuntu7.42+esm5 | Feb 19, 2026 |
| qemu · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu · Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu6.16 | qemu 1:6.2+dfsg-2ubuntu6.16 | Nov 3, 2023 |
| qemu-block-extra · Ubuntu 18.04.6 LTS (bionic) | 1:2.11+dfsg-1ubuntu7.42+esm5 | qemu-block-extra 1:2.11+dfsg-1ubuntu7.42+esm5 | Feb 19, 2026 |
| qemu-block-extra · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu-block-extra 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu-block-extra · Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu6.16 | qemu-block-extra 1:6.2+dfsg-2ubuntu6.16 | Nov 3, 2023 |
| qemu-guest-agent · Ubuntu 18.04.6 LTS (bionic) | 1:2.11+dfsg-1ubuntu7.42+esm5 | qemu-guest-agent 1:2.11+dfsg-1ubuntu7.42+esm5 | Feb 19, 2026 |
| qemu-guest-agent · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu-guest-agent 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu-guest-agent · Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu6.16 | qemu-guest-agent 1:6.2+dfsg-2ubuntu6.16 | Nov 3, 2023 |
| qemu-kvm · Ubuntu 18.04.6 LTS (bionic) | 1:2.11+dfsg-1ubuntu7.42+esm5 | qemu-kvm 1:2.11+dfsg-1ubuntu7.42+esm5 | Feb 19, 2026 |
| qemu-kvm · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu-kvm 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu-system · Ubuntu 18.04.6 LTS (bionic) | 1:2.11+dfsg-1ubuntu7.42+esm5 | qemu-system 1:2.11+dfsg-1ubuntu7.42+esm5 | Feb 19, 2026 |
| qemu-system · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu-system 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu-system · Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu6.16 | qemu-system 1:6.2+dfsg-2ubuntu6.16 | Nov 3, 2023 |
| qemu-system-arm · Ubuntu 18.04.6 LTS (bionic) | 1:2.11+dfsg-1ubuntu7.42+esm5 | qemu-system-arm 1:2.11+dfsg-1ubuntu7.42+esm5 | Feb 19, 2026 |
| qemu-system-arm · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu-system-arm 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu-system-arm · Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu6.16 | qemu-system-arm 1:6.2+dfsg-2ubuntu6.16 | Nov 3, 2023 |
| qemu-system-common · Ubuntu 18.04.6 LTS (bionic) | 1:2.11+dfsg-1ubuntu7.42+esm5 | qemu-system-common 1:2.11+dfsg-1ubuntu7.42+esm5 | Feb 19, 2026 |
| qemu-system-common · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu-system-common 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu-system-common · Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu6.16 | qemu-system-common 1:6.2+dfsg-2ubuntu6.16 | Nov 3, 2023 |
| qemu-system-data · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu-system-data 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu-system-data · Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu6.16 | qemu-system-data 1:6.2+dfsg-2ubuntu6.16 | Nov 3, 2023 |
| qemu-system-gui · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu-system-gui 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu-system-gui · Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu6.16 | qemu-system-gui 1:6.2+dfsg-2ubuntu6.16 | Nov 3, 2023 |
| qemu-system-mips · Ubuntu 18.04.6 LTS (bionic) | 1:2.11+dfsg-1ubuntu7.42+esm5 | qemu-system-mips 1:2.11+dfsg-1ubuntu7.42+esm5 | Feb 19, 2026 |
| qemu-system-mips · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu-system-mips 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu-system-mips · Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu6.16 | qemu-system-mips 1:6.2+dfsg-2ubuntu6.16 | Nov 3, 2023 |
| qemu-system-misc · Ubuntu 18.04.6 LTS (bionic) | 1:2.11+dfsg-1ubuntu7.42+esm5 | qemu-system-misc 1:2.11+dfsg-1ubuntu7.42+esm5 | Feb 19, 2026 |
| qemu-system-misc · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu-system-misc 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu-system-misc · Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu6.16 | qemu-system-misc 1:6.2+dfsg-2ubuntu6.16 | Nov 3, 2023 |
| qemu-system-ppc · Ubuntu 18.04.6 LTS (bionic) | 1:2.11+dfsg-1ubuntu7.42+esm5 | qemu-system-ppc 1:2.11+dfsg-1ubuntu7.42+esm5 | Feb 19, 2026 |
| qemu-system-ppc · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu-system-ppc 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu-system-ppc · Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu6.16 | qemu-system-ppc 1:6.2+dfsg-2ubuntu6.16 | Nov 3, 2023 |
| qemu-system-s390x · Ubuntu 18.04.6 LTS (bionic) | 1:2.11+dfsg-1ubuntu7.42+esm5 | qemu-system-s390x 1:2.11+dfsg-1ubuntu7.42+esm5 | Feb 19, 2026 |
| qemu-system-s390x · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu-system-s390x 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu-system-s390x · Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu6.16 | qemu-system-s390x 1:6.2+dfsg-2ubuntu6.16 | Nov 3, 2023 |
| qemu-system-sparc · Ubuntu 18.04.6 LTS (bionic) | 1:2.11+dfsg-1ubuntu7.42+esm5 | qemu-system-sparc 1:2.11+dfsg-1ubuntu7.42+esm5 | Feb 19, 2026 |
| qemu-system-sparc · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu-system-sparc 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu-system-sparc · Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu6.16 | qemu-system-sparc 1:6.2+dfsg-2ubuntu6.16 | Nov 3, 2023 |
| qemu-system-x86 · Ubuntu 18.04.6 LTS (bionic) | 1:2.11+dfsg-1ubuntu7.42+esm5 | qemu-system-x86 1:2.11+dfsg-1ubuntu7.42+esm5 | Feb 19, 2026 |
| qemu-system-x86 · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu-system-x86 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu-system-x86 · Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu6.16 | qemu-system-x86 1:6.2+dfsg-2ubuntu6.16 | Nov 3, 2023 |
| qemu-system-x86-microvm · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu-system-x86-microvm 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu-system-x86-microvm · Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu6.16 | qemu-system-x86-microvm 1:6.2+dfsg-2ubuntu6.16 | Nov 3, 2023 |
| qemu-system-x86-xen · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu-system-x86-xen 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu-system-x86-xen · Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu6.16 | qemu-system-x86-xen 1:6.2+dfsg-2ubuntu6.16 | Nov 3, 2023 |
| qemu-user · Ubuntu 18.04.6 LTS (bionic) | 1:2.11+dfsg-1ubuntu7.42+esm5 | qemu-user 1:2.11+dfsg-1ubuntu7.42+esm5 | Feb 19, 2026 |
| qemu-user · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu-user 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu-user · Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu6.16 | qemu-user 1:6.2+dfsg-2ubuntu6.16 | Nov 3, 2023 |
| qemu-user-binfmt · Ubuntu 18.04.6 LTS (bionic) | 1:2.11+dfsg-1ubuntu7.42+esm5 | qemu-user-binfmt 1:2.11+dfsg-1ubuntu7.42+esm5 | Feb 19, 2026 |
| qemu-user-binfmt · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu-user-binfmt 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu-user-binfmt · Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu6.16 | qemu-user-binfmt 1:6.2+dfsg-2ubuntu6.16 | Nov 3, 2023 |
| qemu-user-static · Ubuntu 18.04.6 LTS (bionic) | 1:2.11+dfsg-1ubuntu7.42+esm5 | qemu-user-static 1:2.11+dfsg-1ubuntu7.42+esm5 | Feb 19, 2026 |
| qemu-user-static · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu-user-static 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu-user-static · Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu6.16 | qemu-user-static 1:6.2+dfsg-2ubuntu6.16 | Nov 3, 2023 |
| qemu-utils · Ubuntu 18.04.6 LTS (bionic) | 1:2.11+dfsg-1ubuntu7.42+esm5 | qemu-utils 1:2.11+dfsg-1ubuntu7.42+esm5 | Feb 19, 2026 |
| qemu-utils · Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 | qemu-utils 1:4.2-3ubuntu6.28 | Nov 3, 2023 |
| qemu-utils · Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu6.16 | qemu-utils 1:6.2+dfsg-2ubuntu6.16 | Nov 3, 2023 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.