Vulnerability record/PUBLISHED/Published Jul 24, 2023 15:19:19 UTC

CVE-2023-3019

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.

Base score6.0/ 10

SeverityMediumCVSS 3.1

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityMedium

Attack vectorLocalAV

Attack complexityLowAC

Privileges requiredHighPR

User interactionNoneUI

ScopeChangedS

Confidentiality impactNoneC

Integrity impactNoneI

Availability impactHighA

CVSS vector stringCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

CVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.

Record context

CVE Numbering Authorityredhat

Last updatedNov 7, 2026 11:47:17 UTC

PublishedJul 24, 2023 15:19:19 UTC

ReservedMay 31, 2023 14:08:11 UTC