CVE-2019-12210 · cross-distro fix matrix

CVE-2019-12210: In Yubico pam-u2f 1.0.7, when configured with debug and a custom debug log file is set using debug_file, that file descriptor is not closed when a new process is spawned. This leads to the file descriptor being inherited into the child process; the child process can then read from and write to it. T

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-12210 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

pam-u2f→ fixed in1.0.8-1urgency: low

sudo apt-get install --only-upgrade -y pam-u2f

Debian bookworm

Source: Debian Security Tracker

pam-u2f→ fixed in1.0.8-1urgency: low

sudo apt-get install --only-upgrade -y pam-u2f

Debian trixie

Source: Debian Security Tracker

pam-u2f→ fixed in1.0.8-1urgency: low

sudo apt-get install --only-upgrade -y pam-u2f

Are YOU affected by CVE-2019-12210?

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-2019-12210dropped 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)