Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.16, < 6.1.132 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/130290f44bce0eead2b827302109afc3fe189dddPatch
- https://git.kernel.org/stable/c/205649d642a5b376724f04f3a5b3586815e43d3bPatch
- https://git.kernel.org/stable/c/559847f56769037e5b2e0474d3dbff985b98083dPatch
- https://git.kernel.org/stable/c/b7b4be1fa43294b50b22e812715198629806678aPatch
- https://git.kernel.org/stable/c/c7670c197b0f1a8726ad5c87bc2bf001a1fc1bbdPatch
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
FAQ
What is CVE-2025-21997?
CVE-2025-21997 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 pr...
How severe is CVE-2025-21997?
CVE-2025-21997 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-21997?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.