CVE-2024-56161 · cross-distro fix matrix

CVE-2024-56161: Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP.

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

Fix per ecosystem

Each block below is a distro release where CVE-2024-56161 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

amd64-microcode→ fixed in3.20250311.1~deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y amd64-microcode
```

Debian bookworm

Source: Debian Security Tracker

amd64-microcode→ fixed in3.20250311.1~deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y amd64-microcode
```

Debian trixie

Source: Debian Security Tracker

amd64-microcode→ fixed in3.20250311.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y amd64-microcode
```

Are YOU affected by CVE-2024-56161?

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

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