CVE-2021-4115 · cross-distro fix matrix

CVE-2021-4115: There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion. The highest threat from this vulnerability is to availability. NOTE: Polkit process outage duration is tied to the failing process being reaped and a new one being spaw

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-4115 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

policykit-1→ fixed in0.105-31+deb11u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y policykit-1
```

Debian bookworm

Source: Debian Security Tracker

policykit-1→ fixed in0.105-32urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y policykit-1
```

Debian trixie

Source: Debian Security Tracker

policykit-1→ fixed in0.105-32urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y policykit-1
```

Are YOU affected by CVE-2021-4115?

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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