Medium severity5.5NVD Advisory· Published Aug 16, 2025· Updated Jun 17, 2026

CVE-2025-38504

Description

In the Linux kernel, the following vulnerability has been resolved:

io_uring/zcrx: fix pp destruction warnings

With multiple page pools and in some other cases we can have allocated niovs on page pool destruction. Remove a misplaced warning checking that all niovs are returned to zcrx on io_pp_zc_destroy(). It was reported before but apparently got lost.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Linux/Kernelllm-fuzzy2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: 6.15
osv-coords
pkg:linux/kernel
Range: >= 6.15.0, < 6.15.7

Patches

Vulnerability mechanics

References

git.kernel.org/stable/c/203817de269539c062724d97dfa5af3cdf77a3ecnvdPatch
git.kernel.org/stable/c/ad9f1b5bed082b9c910e2a24bae0286a70846909nvdPatch

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