CVE-2021-4158

medium

Description

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.

References

https://bugzilla.redhat.com/show_bug.cgi?id=2035002

https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e

https://access.redhat.com/security/cve/CVE-2021-4158

https://www.mail-archive.com/[email protected]/msg857944.html

https://gitlab.com/qemu-project/qemu/-/issues/770

Details

Source: MITRE

Published: 2022-08-24

Updated: 2022-09-19

Type: CWE-476