CVE-2017-7471 · cross-distro fix matrix

CVE-2017-7471: Quick Emulator (Qemu) built with the VirtFS, host directory sharing via Plan 9 File System (9pfs) support, is vulnerable to an improper access control issue. It could occur while accessing files on a shared host directory. A privileged user inside guest could use this flaw to access host file system

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

Fix per ecosystem

Each block below is a distro release where CVE-2017-7471 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

qemu→ fixed in1:2.8+dfsg-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y qemu
```

Debian bookworm

Source: Debian Security Tracker

qemu→ fixed in1:2.8+dfsg-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y qemu
```

Debian trixie

Source: Debian Security Tracker

qemu→ fixed in1:2.8+dfsg-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y qemu
```

Are YOU affected by CVE-2017-7471?

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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