# Copy Fail 2026-04-30 melkerton
- https://cybersecuritynews.com/linux-kernel-0-day-copy-fail/

## Test script source
- https://github.com/rootsecdev/cve_2026_31431

## Check mod is loaded
```
lsmod | grep algif_aead
```

## Temp fix if found
- https://cmms.pwgroup.ca/files/utils_cve_2026_31431.tar
```
bashecho "install algif_aead /bin/false" > /etc/modprobe.d/disable-algif-aead.conf
rmmod algif_aead 2>/dev/null
```

### Verfied servers (mod unused)
- cavall
- cerberus
- grackle
- hydra
- mail1
- mrp-pve
- pwr-it
- pwr-pve
- starling