CVE-2021-33120 · cross-distro fix matrix

CVE-2021-33120: Out of bounds read under complex microarchitectural condition in memory subsystem for some Intel Atom(R) Processors may allow authenticated user to potentially enable information disclosure or cause denial of service via network access.

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-33120 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

intel-microcode→ fixed in3.20220207.1~deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y intel-microcode
```

Debian bookworm

Source: Debian Security Tracker

intel-microcode→ fixed in3.20220207.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y intel-microcode
```

Debian trixie

Source: Debian Security Tracker

intel-microcode→ fixed in3.20220207.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y intel-microcode
```

Are YOU affected by CVE-2021-33120?

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

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