CVE-2025-21997

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.

Reserved 2024-12-29 | Published 2025-04-03 | Updated 2025-05-04 | Assigner Linux

Product status

Default status
unaffected

94033cd8e73b8632bab7c8b7bb54caa4f5616db7 before 205649d642a5b376724f04f3a5b3586815e43d3b
affected

94033cd8e73b8632bab7c8b7bb54caa4f5616db7 before b7b4be1fa43294b50b22e812715198629806678a
affected

94033cd8e73b8632bab7c8b7bb54caa4f5616db7 before 130290f44bce0eead2b827302109afc3fe189ddd
affected

94033cd8e73b8632bab7c8b7bb54caa4f5616db7 before c7670c197b0f1a8726ad5c87bc2bf001a1fc1bbd
affected

94033cd8e73b8632bab7c8b7bb54caa4f5616db7 before 559847f56769037e5b2e0474d3dbff985b98083d
affected

Default status
affected

5.16
affected

Any version before 5.16
unaffected

6.1.132
unaffected

6.6.85
unaffected

6.12.21
unaffected

6.13.9
unaffected

6.14
unaffected

References

git.kernel.org/...c/205649d642a5b376724f04f3a5b3586815e43d3b

git.kernel.org/...c/b7b4be1fa43294b50b22e812715198629806678a

git.kernel.org/...c/130290f44bce0eead2b827302109afc3fe189ddd

git.kernel.org/...c/c7670c197b0f1a8726ad5c87bc2bf001a1fc1bbd

git.kernel.org/...c/559847f56769037e5b2e0474d3dbff985b98083d

cve.org (CVE-2025-21997)

nvd.nist.gov (CVE-2025-21997)

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