CVE-2022-0934

A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who sends a crafted packet processed by dnsmasq, potentially causing a denial of service.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/security/cve/CVE-2022-0934	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2057075	Issue Tracking Patch Third Party Advisory
https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html	Mailing List Vendor Advisory
https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39	Broken Link
https://access.redhat.com/security/cve/CVE-2022-0934	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2057075	Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/11/msg00035.html
https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html	Mailing List Vendor Advisory
https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39	Broken Link

Configurations

Configuration 1 (hide)

cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:9.0:::::::*

History

03 Nov 2025, 22:15

Type	Values Removed	Values Added
References		() https://lists.debian.org/debian-lts-announce/2024/11/msg00035.html -

Information

Published : 2022-08-29 15:15

Updated : 2025-11-03 22:15

NVD link : CVE-2022-0934

Mitre link : CVE-2022-0934

CVE.ORG link : CVE-2022-0934

JSON object : View

Products Affected

redhat

enterprise_linux

thekelleys

dnsmasq

CWE

CWE-416

Use After Free

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