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CVE-2025-38656

wifi: iwlwifi: Fix error code in iwl_op_mode_dvm_start()

Published: 8/22/2025 Last updated: 5/23/2026 Reserved: 4/16/2025

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: Fix error code in iwl_op_mode_dvm_start() Preserve the error code if iwl_setup_deferred_work() fails. The current code returns ERR_PTR(0) (which is NULL) on this path. I believe the missing error code potentially leads to a use after free involving debugfs.

CNA assigner: Linux (416baaa9-dc9f-4396-8d5f-8c081fb06d67) Requested by: n/a

Opam packages affected (29)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes ortools_solvers orun rawlink rawlink-eio rawlink-lwt restricted shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (4)

Product Vendor Version
Linux Linux Kamorta, QCS404, QCS610, Rennell, SC7180, SDX55, SM6150, SM7150, SM8250, SXR2130
Linux Linux n/a
Linux Linux Windows 10 Version 1703 for x64-based Systems
Linux Linux version 1709 (Core Installation)

References (6)