Fiche vulnérabilité
CVE-2025-21997 : faille moyenne linux linux kernel (CVSS 5.5)
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.
En bref
- Sévérité
- Moyenne (CVSS 5.5)
- Vecteur CVSS
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Exploitation active
- Non signalée par la CISA
- Publication
- 3 avr. 2025
- Dernière mise à jour
- 17 juin 2026
Produits concernés
- linux linux kernel
Références
- Fiche CVE-2025-21997 sur le NVD (NIST)
- git.kernel.org/stable/c/130290f44bce0eead2b827302109afc3fe189…
- git.kernel.org/stable/c/205649d642a5b376724f04f3a5b3586815e43…
- git.kernel.org/stable/c/559847f56769037e5b2e0474d3dbff985b980…
- git.kernel.org/stable/c/b7b4be1fa43294b50b22e8127151986298066…
- git.kernel.org/stable/c/c7670c197b0f1a8726ad5c87bc2bf001a1fc1…
- lists.debian.org/debian-lts-announce/2025/05/msg00045.html