CVE-2023-46842 · cross-distro fix matrix

CVE-2023-46842: Unlike 32-bit PV guests, HVM guests may switch freely between 64-bit and other modes. This in particular means that they may set registers used to pass 32-bit-mode hypercall arguments to values outside of the range 32-bit code would be able to set them to. When processing of hypercalls takes a con

Affects 2 Linux releases across 2 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2023-46842 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

xen→ fixed in4.17.5+23-ga4e5191dc0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y xen
```

Debian trixie

Source: Debian Security Tracker

xen→ fixed in4.19.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y xen
```

Are YOU affected by CVE-2023-46842?

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

CVE-2023-46842dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)