CVE-2012-3411 · cross-distro fix matrix

CVE-2012-3411: Dnsmasq before 2.63test1, when used with certain libvirt configurations, replies to requests from prohibited interfaces, which allows remote attackers to cause a denial of service (traffic amplification) via a spoofed DNS query.

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2012-3411 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

dnsmasq→ fixed in2.63-1urgency: low

sudo apt-get install --only-upgrade -y dnsmasq

Debian bookworm

Source: Debian Security Tracker

dnsmasq→ fixed in2.63-1urgency: low

sudo apt-get install --only-upgrade -y dnsmasq

Debian trixie

Source: Debian Security Tracker

dnsmasq→ fixed in2.63-1urgency: low

sudo apt-get install --only-upgrade -y dnsmasq

Are YOU affected by CVE-2012-3411?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

CVE-2012-3411dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)