CVE-2021-4158

 

Published at: - 24-08-2022 06:15

Last modified: - 29-08-2022 03:38

Total changes: - 2

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.

Common Vulnerability Scoring System (CVSS)

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

 

Verification logic

 

Reference

• 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/qemu-devel@nongnu.org/msg857944.html
• https://gitlab.com/qemu-project/qemu/-/issues/770

 

Keywords

NVD

 

CVE-2021-4158

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures