Subj : [$] Securing BPF programs before and after verification
To   : All
From : LWN.net
Date : Tue Jun 11 2024 19:45:05

[$] Securing BPF programs before and after verification

Date:
Tue, 11 Jun 2024 18:39:22 +0000

Description:
BPF is in a unique position in terms of security. It runs in a privileged
context, within the kernel, and can have access to many sensitive details of 
the
kernel's operation. At the same time, unlike kernel modules, BPF programs 
aren't signed.
Additionally, the mechanisms behind BPF present challenges to implementing
signing or other security features. Three nearly back-to-back sessions at the
2024 Linux Storage,
Filesystem, Memory Management, and BPF Summit addressed some of the potential 
security problems.

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Link to news story:
https://lwn.net/Articles/977394/


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