Bug 2394622 (CVE-2025-39772)

Summary: CVE-2025-39772 kernel: drm/hisilicon/hibmc: fix the hibmc loaded failed bug
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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OS: Linux   
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Description OSIDB Bzimport 2025-09-11 17:02:56 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/hisilicon/hibmc: fix the hibmc loaded failed bug

When hibmc loaded failed, the driver use hibmc_unload to free the
resource, but the mutexes in mode.config are not init, which will
access an NULL pointer. Just change goto statement to return, because
hibnc_hw_init() doesn't need to free anything.
Comment 1 Jon Moroney 2025-09-11 19:32:29 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025091146-CVE-2025-39772-ddb9@gregkh/T