Use After Free Affecting qemu package, versions <1:4.2-3ubuntu6.30


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-UBUNTU2004-QEMU-5775573
  • published14 Jul 2023
  • disclosed24 Jul 2023

Introduced: 14 Jul 2023

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

How to fix?

Upgrade Ubuntu:20.04 qemu to version 1:4.2-3ubuntu6.30 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 Ubuntu. See How to fix? for Ubuntu:20.04 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 Scores

version 3.1