CVE-2015-3214 · cross-distro fix matrix

CVE-2015-3214: The pit_ioport_read in i8254.c in the Linux kernel before 2.6.33 and QEMU before 2.3.1 does not distinguish between read lengths and write lengths, which might allow guest OS users to execute arbitrary code on the host OS by triggering use of an invalid index.

Affects 3 Linux releases across 6 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2015-3214 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

qemu→ fixed in1:2.4+dfsg-1aurgency: not yet assigned
```
sudo apt-get install --only-upgrade -y qemu
```
xen→ fixed in4.4.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y xen
```

Debian bookworm

Source: Debian Security Tracker

qemu→ fixed in1:2.4+dfsg-1aurgency: not yet assigned
```
sudo apt-get install --only-upgrade -y qemu
```
xen→ fixed in4.4.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y xen
```

Debian trixie

Source: Debian Security Tracker

qemu→ fixed in1:2.4+dfsg-1aurgency: not yet assigned
```
sudo apt-get install --only-upgrade -y qemu
```
xen→ fixed in4.4.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y xen
```

Are YOU affected by CVE-2015-3214?

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

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