CVE-2025-21997
Medium
Description
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedApr 3, 2025
First seenApr 3, 2025
Weakness typeCWE-190Integer overflow
How to fix
Update
- linux linux_kernel6.1.132, 6.6.85, 6.12.21, 6.13.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.16 ≤ v < 6.1.132, 6.2 ≤ v < 6.6.85, 6.7 ≤ v < 6.12.21, 6.13 ≤ v < 6.13.9, 6.14 | 6.1.132, 6.6.85, 6.12.21, 6.13.9 |
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