CVE-2026-68403 wifi: brcmfmac: initialize SDIO data work before cleanup

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: initialize SDIO data work before cleanup brcmfsdioprobe stores the newly allocated bus in sdiodev-bus before allocating the ordered workqueue. If that allocation fails, the function jumps to fail and calls...

CVE-2026-68403

The CVE concerns the Linux kernel driver brcmfmac SDIO path. In brcmf_sdio_probe(), the newly allocated bus is stored in sdiodev->bus before the ordered workqueue is initialized. If allocation fails, the path can reach brcmf_sdio_remove(), which unconditionally cancels bus->datawork. The bu...