Amazon Linux 2 Security Advisory: ALAS2-2023-2069
Advisory Released Date: 2023-06-07
Advisory Updated Date: 2023-06-07
Severity:
Medium
Issue Overview:
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.
New Packages:
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