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CVE-2023-3019

Published: 24 July 2023

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.

Notes

AuthorNote
mdeslaur
as of 2023-10-12, the proposed patch has not yet been accepted
upstream, marking as deferred

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
qemu
Launchpad, Ubuntu, Debian
upstream Needs triage

bionic Deferred
(2023-10-12)
focal Deferred
(2023-10-12)
jammy Deferred
(2023-10-12)
kinetic Ignored
(end of life, was deferred [2023-10-12])
lunar Deferred
(2023-10-12)
trusty Deferred
(2023-10-12)
xenial Deferred
(2023-10-12)
mantic Deferred
(2023-10-12)
Patches:
other: https://lists.nongnu.org/archive/html/qemu-devel/2023-05/msg08310.html

Severity score breakdown

Parameter Value
Base score 6.5
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