CVE-2018-3620 · cross-distro fix matrix

CVE-2018-3620: 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 via a terminal page fault and a side-channel analysis.

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

EPSS:5.6% · 30-day exploit probability92th percentile

Fix per ecosystem

Each block below is a distro release where CVE-2018-3620 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-2018-3620?

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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