Use After Free Affecting qemu package, versions <1:5.2+dfsg-1


Severity

Recommended
0.0
low
0
10

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Threat Intelligence

EPSS
0.34% (26th percentile)

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  • Snyk IDSNYK-ECHOLATEST-QEMU-18321975
  • published27 Jul 2026
  • disclosed25 Sept 2020

Introduced: 25 Sep 2020

CVE-2020-25084  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Echo:latest qemu to version 1:5.2+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 Echo. See How to fix? for Echo:latest relevant fixed versions and status.

QEMU 5.0.0 has a use-after-free in hw/usb/hcd-xhci.c because the usb_packet_map return value is not checked.

CVSS Base Scores

version 3.1