StackPatch is liveSee product

Back to CVE digest
CVE-2025-24356 · cross-distro fix matrix

CVE-2025-24356: fastd is a VPN daemon which tunnels IP packets and Ethernet frames over UDP. When receiving a data packet from an unknown IP address/port combination, fastd will assume that one of its connected peers has moved to a new address and initiate a reconnect by sending a handshake packet. This "fast recon

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

Fix per ecosystem

Each block below is a distro release where CVE-2025-24356 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

  • fastd→ fixed in23-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y fastd
Are YOU affected by CVE-2025-24356?

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
Continuous monitoring beats manual checking

CVE-2025-24356dropped 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)