Tracker / CVE-2025-21808
CVE-2025-21808
High 7.8
In the Linux kernel, the following vulnerability has been resolved: net: xdp: Disallow attaching device-bound programs in generic mode Device-bound programs are used to support RX metadata kfuncs. These kfuncs are driver-specific and rely on the driver context to read the metadata. This means they can't work in generic XDP mode. However, there is no check to disallow such programs from being attached in generic mode, in which case the metadata kfuncs will be called in an invalid context, leading to crashes. Fix this by adding a check to disallow attaching device-bound programs in generic mode.
Affected products and versions
| linux | linux_kernel · 6.13 → 6.13.2 |
|---|---|
| linux | linux_kernel · 6.3 → 6.6.76 |
| linux | linux_kernel · 6.7 → 6.12.13 |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.