CVE-2026-72346

CVE CVE-2026-72346EUVD EUVD-2026-59245Published 2026-08-15T05:55:51.000ZLast changed 2026-08-17T05:12:55.000Z

What the advisory describes

In the Linux kernel, the following vulnerability has been resolved: platform/x86: bitland-mifs-wmi: Fix NULL pointer dereference during suspend/resume The driver registers two distinct WMI devices: a control device (BITLAND_WMI_CONTROL) and an event device (BITLAND_WMI_EVENT). During the probe phase, the event device handling path returns early before initializing the platform profile device (data->pp_dev), leaving it NULL. However, the PM sleep operations are registered globally for the WMI driver and are triggered for both devices. When entering suspend, the event device invokes bitland_mifs_wmi_suspend(), which passes the uninitialized data->pp_dev (NULL) into laptop_profile_get(). This leads to a NULL pointer dereference inside dev_get_drvdata(), causing a kernel Oops and halting the suspend sequence. Fix this by adding a validity check for data->pp_dev in both the suspend and resume callbacks, safely skipping profile operations for the event device.

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

Linux — Linux 7.1; dc1ec4fa86b2b8bba2b6122f2b4420217b5bae9e <6f2cb20d8e286218d51754f06ee219d8ce754b18; patch: 7.2; dc1ec4fa86b2b8bba2b6122f2b4420217b5bae9e <d3666875c75eb1bc8090343fa0d6fc8fb7924356; patch: 7.1.5; patch: 0

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.

Linux — Linux

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