Tracker / CVE-2025-21997
CVE-2025-21997
Medium 5.5
In the Linux kernel, the following vulnerability has been resolved: xsk: fix an integer overflow in xp_create_and_assign_umem() Since the i and pool->chunk_size variables are of type 'u32', their product can wrap around and then be cast to 'u64'. This can lead to two different XDP buffers pointing to the same memory area. Found by InfoTeCS on behalf of Linux Verification Center (linuxtesting.org) with SVACE.
Affected products and versions
| linux | linux_kernel |
|---|---|
| linux | linux_kernel · 5.16 → 6.1.132 |
| linux | linux_kernel · 6.13 → 6.13.9 |
| linux | linux_kernel · 6.2 → 6.6.85 |
| linux | linux_kernel · 6.7 → 6.12.21 |
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.