CVE-2018-3646 · cross-distro fix matrix

CVE-2018-3646: Systems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest OS privilege via a terminal page fault and a side-channel analysis.

Affects 3 Linux releases across 9 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2018-3646 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

intel-microcode→ fixed in3.20180703.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y intel-microcode
```
linux→ fixed in4.17.15-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y linux
```
xen→ fixed in4.11.1~pre.20180911.5acdd26fdc+dfsg-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y xen
```

Debian bookworm

Source: Debian Security Tracker

intel-microcode→ fixed in3.20180703.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y intel-microcode
```
linux→ fixed in4.17.15-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y linux
```
xen→ fixed in4.11.1~pre.20180911.5acdd26fdc+dfsg-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y xen
```

Debian trixie

Source: Debian Security Tracker

intel-microcode→ fixed in3.20180703.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y intel-microcode
```
linux→ fixed in4.17.15-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y linux
```
xen→ fixed in4.11.1~pre.20180911.5acdd26fdc+dfsg-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y xen
```

Are YOU affected by CVE-2018-3646?

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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