CVE-2023-3019

Publication date 24 July 2023

Last updated 11 November 2024

Ubuntu priority

Cvss 3 Severity Score

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.

Why is this CVE low priority?

Only allows a privileged user to crash their own instance

Learn more about Ubuntu priority

Status

Show unmaintained releases

Package	Ubuntu Release	Status
qemu	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Ignored end of life, was needed
	23.04 lunar	Ignored end of life, was needed
	22.10 kinetic	Ignored end of life, was deferred [2023-10-12]
	22.04 LTS jammy	Fixed 1:6.2+dfsg-2ubuntu6.24
	20.04 LTS focal	Fixed 1:4.2-3ubuntu6.30
	18.04 LTS bionic	Fixed 1:2.11+dfsg-1ubuntu7.42+esm2 Ubuntu Pro
	16.04 LTS xenial	Fixed 1:2.5+dfsg-5ubuntu10.51+esm3 Ubuntu Pro
	14.04 LTS trusty	Fixed 2.0.0+dfsg-2ubuntu1.47+esm4 Ubuntu Pro

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
qemu	Other: https://lists.nongnu.org/archive/html/qemu-devel/2023-05/msg08310.html Upstream: 7d0fefd Upstream: 9050f97

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Changed
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H