DEBIAN-CVE-2021-4158

DEBIAN-CVE-2021-4158 PUBLISHED CVSS 6 MEDIUM

A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.

Risk Scores

CVSS v3.1

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

Affected Products

Vendor	Product	Versions
Debian:13	qemu	0, 0, 0
Debian:14	qemu	0, 0, 0
Debian:12	qemu	0, 0, 0

Timeline

Aug 24, 2022 CVE Published
Apr 28, 2026 CVE Updated

References

https://security-tracker.debian.org/tracker/CVE-2021-4158 advisory

Open in Interactive Console →