CVE-2023-6693 · cross-distro fix matrix

CVE-2023-6693: A stack based buffer overflow was found in the virtio-net device of QEMU. This issue occurs when flushing TX in the virtio_net_flush_tx function if guest features VIRTIO_NET_F_HASH_REPORT, VIRTIO_F_VERSION_1 and VIRTIO_NET_F_MRG_RXBUF are enabled. This could allow a malicious user to overwrite local

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

Fix per ecosystem

Each block below is a distro release where CVE-2023-6693 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

qemu→ fixed in1:5.2+dfsg-11+deb11u4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y qemu
```

Debian bookworm

Source: Debian Security Tracker

qemu→ fixed in1:7.2+dfsg-7+deb12u4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y qemu
```

Debian trixie

Source: Debian Security Tracker

qemu→ fixed in1:8.2.0+ds-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y qemu
```

Are YOU affected by CVE-2023-6693?

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

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