Amazon Linux 2 Security Advisory: ALAS-2023-2069
Advisory Release Date: 2023-06-05 16:39 Pacific
Advisory Updated Date: 2023-06-07 22:38 Pacific
An issue was discovered in Dnsmasq before 2.90. The default maximum EDNS.0 UDP packet size was set to 4096 but should be 1232 because of DNS Flag Day 2020. (CVE-2023-28450)
Affected Packages:
dnsmasq
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update dnsmasq to update your system.
aarch64:
dnsmasq-2.76-16.amzn2.1.4.aarch64
dnsmasq-utils-2.76-16.amzn2.1.4.aarch64
dnsmasq-debuginfo-2.76-16.amzn2.1.4.aarch64
i686:
dnsmasq-2.76-16.amzn2.1.4.i686
dnsmasq-utils-2.76-16.amzn2.1.4.i686
dnsmasq-debuginfo-2.76-16.amzn2.1.4.i686
src:
dnsmasq-2.76-16.amzn2.1.4.src
x86_64:
dnsmasq-2.76-16.amzn2.1.4.x86_64
dnsmasq-utils-2.76-16.amzn2.1.4.x86_64
dnsmasq-debuginfo-2.76-16.amzn2.1.4.x86_64