CVE-2011-2178 · cross-distro fix matrix

CVE-2011-2178: The virSecurityManagerGetPrivateData function in security/security_manager.c in libvirt 0.8.8 through 0.9.1 uses the wrong argument for a sizeof call, which causes incorrect processing of "security manager private data" that "reopens disk probing" and might allow guest OS users to read arbitrary fil

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

Fix per ecosystem

Each block below is a distro release where CVE-2011-2178 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libvirt→ fixed in0.9.1-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libvirt
```

Debian bookworm

Source: Debian Security Tracker

libvirt→ fixed in0.9.1-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libvirt
```

Debian trixie

Source: Debian Security Tracker

libvirt→ fixed in0.9.1-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libvirt
```

Are YOU affected by CVE-2011-2178?

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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