- Issued:
- 2024-03-14
- Updated:
- 2024-03-14
RHSA-2024:1335 - Security Advisory
Synopsis
Important: dnsmasq security update
Type/Severity
Security Advisory: Important
Red Hat Insights patch analysis
Identify and remediate systems affected by this advisory.
Topic
An update for dnsmasq is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
The dnsmasq packages contain Dnsmasq, a lightweight DNS (Domain Name Server) forwarder and DHCP (Dynamic Host Configuration Protocol) server.
Security Fix(es):
- dnsmasq: bind9: KeyTrap - Extreme CPU consumption in DNSSEC validator (CVE-2023-50387)
- dnsmasq: bind9: Preparing an NSEC3 closest encloser proof can exhaust CPU resources (CVE-2023-50868)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Solution
For details on how to apply this update, which includes the changes described in this advisory, refer to:
Affected Products
- Red Hat Enterprise Linux for x86_64 8 x86_64
- Red Hat Enterprise Linux for IBM z Systems 8 s390x
- Red Hat Enterprise Linux for Power, little endian 8 ppc64le
- Red Hat Enterprise Linux for ARM 64 8 aarch64
Fixes
- BZ - 2263914 - CVE-2023-50387 bind9: KeyTrap - Extreme CPU consumption in DNSSEC validator
- BZ - 2263917 - CVE-2023-50868 bind9: Preparing an NSEC3 closest encloser proof can exhaust CPU resources
Red Hat Enterprise Linux for x86_64 8
SRPM | |
---|---|
dnsmasq-2.79-31.el8_9.2.src.rpm | SHA-256: 083a99ad1d332be4c6455dac77af0b1902e4038db8b31b63061914ec448ce49b |
x86_64 | |
dnsmasq-2.79-31.el8_9.2.x86_64.rpm | SHA-256: 7e4ca1ea488e4210d63386316974361f881819de558d56f8049faf11a4f0784a |
dnsmasq-debuginfo-2.79-31.el8_9.2.x86_64.rpm | SHA-256: 06f700749b4c708f3717dfa1de03268aa29340674cae77fd8d5d85e4cd40334c |
dnsmasq-debugsource-2.79-31.el8_9.2.x86_64.rpm | SHA-256: a1f4328fd2565f19d7c6c55afd685d4c9afc6a8d633fe9cdefd654649789ab93 |
dnsmasq-utils-2.79-31.el8_9.2.x86_64.rpm | SHA-256: fb0b6d80d1466828921376d6bb64bde354ad7e2959f101a1ce403cdd75e8e3e4 |
dnsmasq-utils-debuginfo-2.79-31.el8_9.2.x86_64.rpm | SHA-256: ab85f51cbfe80f0536a9362bfb9ccedf7935bd623f8bd0fb23dafe0ef0e6aa72 |
Red Hat Enterprise Linux for IBM z Systems 8
SRPM | |
---|---|
dnsmasq-2.79-31.el8_9.2.src.rpm | SHA-256: 083a99ad1d332be4c6455dac77af0b1902e4038db8b31b63061914ec448ce49b |
s390x | |
dnsmasq-2.79-31.el8_9.2.s390x.rpm | SHA-256: 6380712e7f1894be83ee98d82fd3723f5f7a24ed1d58042dd62270d67e7fe0b9 |
dnsmasq-debuginfo-2.79-31.el8_9.2.s390x.rpm | SHA-256: 1e2fc8bee96c333895c6b18baf735d989a0a13c3deb5d781df55568bea259db7 |
dnsmasq-debugsource-2.79-31.el8_9.2.s390x.rpm | SHA-256: 1f06a3368c26fe72084fe8a43859b2399f9effe6dc068d38349faed388548e47 |
dnsmasq-utils-2.79-31.el8_9.2.s390x.rpm | SHA-256: ce1d6f257dc2ea6db1dd881bf1b13fd5467359502c72fd900261fac113b910c5 |
dnsmasq-utils-debuginfo-2.79-31.el8_9.2.s390x.rpm | SHA-256: 30b1ce673eb8086f331b26bd4715c17cdb46dd5727bae2cafc9fab61a7d52083 |
Red Hat Enterprise Linux for Power, little endian 8
SRPM | |
---|---|
dnsmasq-2.79-31.el8_9.2.src.rpm | SHA-256: 083a99ad1d332be4c6455dac77af0b1902e4038db8b31b63061914ec448ce49b |
ppc64le | |
dnsmasq-2.79-31.el8_9.2.ppc64le.rpm | SHA-256: 32c2e51f0734cf61f7f6dd896cd0d526b7e68e70c9c9a1af0b188fc13df30b5f |
dnsmasq-debuginfo-2.79-31.el8_9.2.ppc64le.rpm | SHA-256: 7667a68083b4bc26106ad3a9e7423117e178ef8285062997dcd79a7729eb0701 |
dnsmasq-debugsource-2.79-31.el8_9.2.ppc64le.rpm | SHA-256: 325c30ebf0060ef210c1e8b8d418200a189aaf7ee6bc7d9cb396af6dda70a0e9 |
dnsmasq-utils-2.79-31.el8_9.2.ppc64le.rpm | SHA-256: 6425712c17f1354224516d3797a13a3776f0d89f38b0745361c2ce75a36892cb |
dnsmasq-utils-debuginfo-2.79-31.el8_9.2.ppc64le.rpm | SHA-256: 3dec0af29b8dcbfa75b099c5b596bc817bf58dc3536252b8bd1572482046fd41 |
Red Hat Enterprise Linux for ARM 64 8
SRPM | |
---|---|
dnsmasq-2.79-31.el8_9.2.src.rpm | SHA-256: 083a99ad1d332be4c6455dac77af0b1902e4038db8b31b63061914ec448ce49b |
aarch64 | |
dnsmasq-2.79-31.el8_9.2.aarch64.rpm | SHA-256: 7a3cfb69be46adaaca30b54c8f42ed5425dce4958f8ad2f4d31888426b112c91 |
dnsmasq-debuginfo-2.79-31.el8_9.2.aarch64.rpm | SHA-256: 00f1cadfc5dfa2da7977be921055117ece2d110d8b580877d03ce9ea6792abcb |
dnsmasq-debugsource-2.79-31.el8_9.2.aarch64.rpm | SHA-256: 7d7e029f90276de4f1b3c4256299c9cf3d49ff83f5e1e35c4534047a2c4e127d |
dnsmasq-utils-2.79-31.el8_9.2.aarch64.rpm | SHA-256: 457320a63612614660d443a336ba7bf9ab5cbf712477d3a65951a58e7e069fac |
dnsmasq-utils-debuginfo-2.79-31.el8_9.2.aarch64.rpm | SHA-256: cec204d774bb697afbc2e75138b289572557e13e1e934bc6a33724ff931dabf6 |
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.