5.5

CVE-2025-21997

xsk: fix an integer overflow in xp_create_and_assign_umem()

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.132
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.85
Linux ≫ Linux Kernel Version >= 6.7 < 6.12.21
Linux ≫ Linux Kernel Version >= 6.13 < 6.13.9
Linux ≫ Linux Kernel Version6.14 Updaterc1
Linux ≫ Linux Kernel Version6.14 Updaterc2
Linux ≫ Linux Kernel Version6.14 Updaterc3
Linux ≫ Linux Kernel Version6.14 Updaterc4
Linux ≫ Linux Kernel Version6.14 Updaterc5
Linux ≫ Linux Kernel Version6.14 Updaterc6
Linux ≫ Linux Kernel Version6.14 Updaterc7
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.18% 0.076
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
134c704f-9b21-4f2e-91b3-4a467353bcc0 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-190 Integer Overflow or Wraparound

The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.

https://git.kernel.org/stable/c/130290f44bce0eead2b827302109afc3fe189ddd
Patch
https://git.kernel.org/stable/c/205649d642a5b376724f04f3a5b3586815e43d3b
Patch
https://git.kernel.org/stable/c/559847f56769037e5b2e0474d3dbff985b98083d
Patch
https://git.kernel.org/stable/c/b7b4be1fa43294b50b22e812715198629806678a
Patch
https://git.kernel.org/stable/c/c7670c197b0f1a8726ad5c87bc2bf001a1fc1bbd
Patch
https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html