CVE-2021-4158 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00014.

Key SSVC decision points have not yet been added.

Vendors	Products
Qemu	Qemu
Redhat	Enterprise Linux

Configuration 1 [-]

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

Configuration 2 [-]

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

Package	CPE	Advisory	Released Date
Red Hat Enterprise Linux 8
virt-devel:rhel-8060020220408104655.d63f516d	cpe:/a:redhat:enterprise_linux:8	RHSA-2022:1759	2022-05-10T00:00:00Z
virt:rhel-8060020220408104655.d63f516d	cpe:/a:redhat:enterprise_linux:8	RHSA-2022:1759	2022-05-10T00:00:00Z
Red Hat Enterprise Linux 9
qemu-kvm-17:7.0.0-13.el9	cpe:/a:redhat:enterprise_linux:9	RHSA-2022:7967	2022-11-15T00:00:00Z

No data.

Advisories

Source	ID	Title
Ubuntu USN	USN-5307-1	QEMU vulnerabilities

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://access.redhat.com/security/cve/CVE-2021-4158
https://bugzilla.redhat.com/show_bug.cgi?id=2035002
https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e
https://gitlab.com/qemu-project/qemu/-/issues/770
https://nvd.nist.gov/vuln/detail/CVE-2021-4158
https://www.cve.org/CVERecord?id=CVE-2021-4158
https://www.mail-archive.com/qemu-devel%40nongnu.org/msg857944.html

History

No history.

MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2022-08-24T15:10:39

Updated: 2024-08-03T17:16:04.257Z

Reserved: 2021-12-23T00:00:00

Link: CVE-2021-4158

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-08-24T16:15:09.660

Modified: 2024-11-21T06:37:01.980

Link: CVE-2021-4158

Redhat

Severity : Low

Publid Date: 2021-12-12T00:00:00Z

Links: CVE-2021-4158 - Bugzilla

OpenCVE Enrichment

No data.

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