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Vulnerability Details : 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.
Publish Date : 2022-08-24 Last Update Date : 2022-09-19
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- CVSS Scores & Vulnerability Types

CVSS Score
0.0
Confidentiality Impact ???
Integrity Impact ???
Availability Impact ???
Access Complexity ???
Authentication ???
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 476

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2022:1759: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update (Moderate) oval:com.redhat.rhsa:def:20221759 unix
RHSA-2022:7967: qemu-kvm security, bug fix, and enhancement update (Moderate) oval:com.redhat.rhsa:def:20227967 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2021-4158

# Product Type Vendor Product Version Update Edition Language
1 Application Qemu Qemu * * * * Version Details Vulnerabilities
2 OS Redhat Enterprise Linux 9.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Qemu Qemu 1
Redhat Enterprise Linux 1

- References For CVE-2021-4158

https://gitlab.com/qemu-project/qemu/-/issues/770
https://access.redhat.com/security/cve/CVE-2021-4158
https://www.mail-archive.com/[email protected]/msg857944.html
https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e
https://bugzilla.redhat.com/show_bug.cgi?id=2035002

- Metasploit Modules Related To CVE-2021-4158

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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