CVE-2020-35505 · cross-distro fix matrix

CVE-2020-35505: A NULL pointer dereference flaw was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0. This issue occurs while handling the 'Information Transfer' command. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of se

Affects 7 Linux releases across 7 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2020-35505 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

qemu→ fixed in1:6.0+dfsg-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y qemu
```

Debian trixie

Source: Debian Security Tracker

qemu→ fixed in1:6.0+dfsg-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y qemu
```

Alpine v3.20

Source: Alpine secdb

qemu→ fixed in6.0.0-r2
```
apk update && apk add --upgrade qemu
```

Alpine v3.21

Source: Alpine secdb

qemu→ fixed in6.0.0-r2
```
apk update && apk add --upgrade qemu
```

Alpine edge

Source: Alpine secdb

qemu→ fixed in6.0.0-r2
```
apk update && apk add --upgrade qemu
```

Alpine v3.18

Source: Alpine secdb

qemu→ fixed in6.0.0-r2
```
apk update && apk add --upgrade qemu
```

Alpine v3.19

Source: Alpine secdb

qemu→ fixed in6.0.0-r2
```
apk update && apk add --upgrade qemu
```

Are YOU affected by CVE-2020-35505?

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

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