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CVE-2019-16275 · cross-distro fix matrix

CVE-2019-16275: hostapd before 2.10 and wpa_supplicant before 2.10 allow an incorrect indication of disconnection in certain situations because source address validation is mishandled. This is a denial of service that should have been prevented by PMF (aka management frame protection). The attacker must send a craf

Affects 8 Linux releases across 13 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2019-16275 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

wpa→ fixed in2:2.9-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y wpa
```

Debian bookworm

Source: Debian Security Tracker

wpa→ fixed in2:2.9-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y wpa
```

Debian trixie

Source: Debian Security Tracker

wpa→ fixed in2:2.9-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y wpa
```

Alpine v3.20

Source: Alpine secdb

hostapd→ fixed in2.9-r1
```
apk update && apk add --upgrade hostapd
```

wpa_supplicant→ fixed in2.9-r5

apk update && apk add --upgrade wpa_supplicant

Alpine v3.21

Source: Alpine secdb

hostapd→ fixed in2.9-r1
```
apk update && apk add --upgrade hostapd
```

wpa_supplicant→ fixed in2.9-r5

apk update && apk add --upgrade wpa_supplicant

Alpine edge

Source: Alpine secdb

hostapd→ fixed in2.9-r1
```
apk update && apk add --upgrade hostapd
```

wpa_supplicant→ fixed in2.9-r5

apk update && apk add --upgrade wpa_supplicant

Alpine v3.18

Source: Alpine secdb

hostapd→ fixed in2.9-r1
```
apk update && apk add --upgrade hostapd
```

wpa_supplicant→ fixed in2.9-r5

apk update && apk add --upgrade wpa_supplicant

Alpine v3.19

Source: Alpine secdb

hostapd→ fixed in2.9-r1
```
apk update && apk add --upgrade hostapd
```

wpa_supplicant→ fixed in2.9-r5

apk update && apk add --upgrade wpa_supplicant

Are YOU affected by CVE-2019-16275?

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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CVE-2019-16275dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

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