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Bug 867322 (CVE-2022-0934) - <net-dns/dnsmasq-2.87: write-after-free DoS in dhcpv6
Summary: <net-dns/dnsmasq-2.87: write-after-free DoS in dhcpv6
Status: CONFIRMED
Alias: CVE-2022-0934
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal minor
Assignee: Gentoo Security
URL: https://lists.thekelleys.org.uk/piper...
Whiteboard: B3 [glsa]
Keywords:
Depends on:
Blocks:
 
Reported: 2022-08-29 16:30 UTC by John Helmert III
Modified: 2024-10-12 08:16 UTC (History)
2 users (show)

See Also:
Package list:
Runtime testing required: ---


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Description John Helmert III archtester Gentoo Infrastructure gentoo-dev Security 2022-08-29 16:30:15 UTC
CVE-2022-0934 (https://bugzilla.redhat.com/show_bug.cgi?id=2057075):

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.

Patch: https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=03345ecefeb0d82e3c3a4c28f27c3554f0611b39