CVE-2023-3019 MEDIUM

CVE-2023-3019: Qemu: e1000e: heap use-after-free in e1000e_write_packet_to_guest()

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-416
Published July 24, 2023
Last update May 12, 2026
View on NVD All CVEs

CVSS base score

6.0/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 24, 2023 CVE published
May 12, 2026 Record updated