CVE-2026-43144

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Fix potential kernel oops when probe fails When probe of the sdio brcmfmac device fails for some reasons (i.e. missing firmware), the sdiodev->bus is set to error instead of NULL, thus the cleanup later in brcmf_sdio_remove() tries to free resources via invalid bus pointer. This happens because sdiodev->bus is set 2 times: first in brcmf_sdio_probe() and second time in brcmf_sdiod_probe(). Fix this by chaning the brcmf_sdio_probe() function to return the error code and set sdio->bus only there.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

References

• https://git.kernel.org/stable/c/64ccb0aac41c5055780c2a58bbe2c1b362ceccde ↗
• https://git.kernel.org/stable/c/379aac7ee8240848aa35f605b06addb4617c863e ↗
• https://git.kernel.org/stable/c/243307a0d1b0d01538e202c00454c28b21d4432e ↗