CVE-2021-4158

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.

CVSS v3.0 6 MEDIUM

6^/10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.5 / Impact : 4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=2035002	Issue Tracking Patch
https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e	Patch Third Party Advisory
https://access.redhat.com/security/cve/CVE-2021-4158	Third Party Advisory
https://gitlab.com/qemu-project/qemu/-/issues/770	Exploit Third Party Advisory
https://www.mail-archive.com/qemu-devel%40nongnu.org/msg857944.html

Configurations

Configuration 1

cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

History

24 Jan 2023, 16:19

Type	Values Removed	Values Added
CPE		cpe:2.3:a:predictapp_project:predictapp::::::::
References	~~(MISC) https://github.com/abhilash1985/PredictApp/commit/b067372f3ee26fe1b657121f0f41883ff4461a06 -~~	(MISC) https://github.com/abhilash1985/PredictApp/commit/b067372f3ee26fe1b657121f0f41883ff4461a06 - Patch, Third Party Advisory
References	~~(MISC) https://github.com/abhilash1985/PredictApp/pull/73 -~~	(MISC) https://github.com/abhilash1985/PredictApp/pull/73 - Patch, Third Party Advisory
References	~~(MISC) https://vuldb.com/?id.218387 -~~	(MISC) https://vuldb.com/?id.218387 - Third Party Advisory
References	~~(MISC) https://vuldb.com/?ctiid.218387 -~~	(MISC) https://vuldb.com/?ctiid.218387 - Third Party Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8
First Time		Predictapp Project predictapp Predictapp Project

16 Jan 2023, 13:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-08-24 04:15

Updated : 2023-02-12 11:43

NVD link : CVE-2021-4158

Mitre link : CVE-2021-4158

Products Affected

No products.

CWE

CWE-476