#VU85734 Use-after-free in QEMU - CVE-2023-3019

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Main Vulnerability Database Vulnerabilities #VU85734

#VU85734 Use-after-free in QEMU - CVE-2023-3019

Published: January 23, 2024


Vulnerability identifier: #VU85734
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-3019
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
QEMU
Software vendor:
QEMU

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the e1000e_write_packet_to_guest() function in the e1000e NIC emulation code in QEMU. A local user can trigger DMA reentrancy and crash the QEMU process on the host.


Remediation

Install updates from vendor's website.

External links