CVE-2025-38656

CVE-2025-38656 affects the Linux kernel’s wifi iwlwifi path (iwl_op_mode_dvm_start). The vulnerability stems from preserving the error code when iwl_setup_deferred_work() fails; the code previously returned ERR_PTR(0) (NULL), which could cause a use-after-free involving debugfs. A patch has been ...

CVE-2025-38656 wifi: iwlwifi: Fix error code in iwl_op_mode_dvm_start()

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: Fix error code in iwlopmodedvmstart Preserve the error code if iwlsetupdeferredwork fails. The current code returns ERRPTR0 which is NULL on this path. I believe the missing error code potentially leads to a use...