CVE-2025-58150 · cross-distro fix matrix

CVE-2025-58150: Shadow mode tracing code uses a set of per-CPU variables to avoid cumbersome parameter passing. Some of these variables are written to with guest controlled data, of guest controllable size. That size can be larger than the variable, and bounding of the writes was missing.

Affects 1 Linux release across 1 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-58150 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

xen→ fixed in4.20.2+37-g61ff35323e-0+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y xen
```

Are YOU affected by CVE-2025-58150?

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.

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