Use After Free Affecting qemu package, versions <1:7.2+dfsg-7+deb12u4


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.32% (24th percentile)

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  • Snyk IDSNYK-ECHOLATEST-QEMU-18321864
  • published27 Jul 2026
  • disclosed24 Jul 2023

Introduced: 24 Jul 2023

CVE-2023-3019  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Echo:latest qemu to version 1:7.2+dfsg-7+deb12u4 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.

A DMA reentrancy issue leading to a use-after-free error was found in the e1000e NIC emulation code in QEMU. This issue could allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of service.

CVSS Base Scores

version 3.1