Summary
It was discovered that the Linux kernel algif_aead module contained a logic
flaw allowing a local attacker to escalate privileges to root. This update
to the kmod package disables loading the algif_aead module as a measure to
mitigate the issue until kernel updates are made available.
See the following URL for more information
https://ubuntu.com/blog/copy-fail-vulnerability-fixes-available
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 22.04 LTS 22.04:LTS | kmod | 29-1ubuntu1.1 |
| Ubuntu · 24.04 LTS 24.04:LTS | kmod | 31+20240202-2ubuntu7.2 |
| Ubuntu · 25.10 | kmod | 34.2-2ubuntu1.1 |