CVE-2022-28737 · cross-distro fix matrix

CVE-2022-28737: There's a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables; The handle_image() function takes into account the SizeOfRawData field from each section to be loaded. An attacker can leverage this to perform out-of-bound writes into memory. Arbitrary code e

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

Fix per ecosystem

Each block below is a distro release where CVE-2022-28737 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

shim→ fixed in15.6-1~deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y shim
```

Debian bookworm

Source: Debian Security Tracker

shim→ fixed in15.6-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y shim
```

Debian trixie

Source: Debian Security Tracker

shim→ fixed in15.6-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y shim
```

Are YOU affected by CVE-2022-28737?

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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