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CVE-2021-44512 · cross-distro fix matrix

CVE-2021-44512: World-writable permissions on the /tmp/tmate/sessions directory in tmate-ssh-server 2.3.0 allow a local attacker to compromise the integrity of session handling, or obtain the read-write session ID from a read-only session symlink in this directory.

Affects 1 Linux release across 1 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-44512 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

  • tmate-ssh-server→ fixed in2.3.0-68-gd7334ee4-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y tmate-ssh-server
Are YOU affected by CVE-2021-44512?

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
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