CVE-2010-3431 · cross-distro fix matrix

CVE-2010-3431: The privilege-dropping implementation in the (1) pam_env and (2) pam_mail modules in Linux-PAM (aka pam) 1.1.2 does not check the return value of the setfsuid system call, which might allow local users to obtain sensitive information by leveraging an unintended uid, as demonstrated by a symlink atta

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

Fix per ecosystem

Each block below is a distro release where CVE-2010-3431 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

pam→ fixed in1.1.3-1urgency: low

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

Debian bookworm

Source: Debian Security Tracker

pam→ fixed in1.1.3-1urgency: low

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

Debian trixie

Source: Debian Security Tracker

pam→ fixed in1.1.3-1urgency: low

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

Are YOU affected by CVE-2010-3431?

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.

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