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Change History

In the Linux kernel, the following vulnerability has been resolved:

platform/x86: hp-bioscfg: Fix kobject warnings for empty attribute names

The hp-bioscfg driver attempts to register kobjects with empty names when
the HP BIOS returns attributes with empty name strings. This causes
multiple kernel warnings:

  kobject: (00000000135fb5e6): attempted to be registered with empty name!
  WARNING: CPU: 14 PID: 3336 at lib/kobject.c:219 kobject_add_internal+0x2eb/0x310

Add validation in hp_init_bios_buffer_attribute() to check if the
attribute name is empty after parsing it from the WMI buffer. If empty,
log a debug message and skip registration of that attribute, allowing the
module to continue processing other valid attributes.

https://git.kernel.org/stable/c/29917c80aa96a25cbcf5876fd774a1cfd72b01a9

https://git.kernel.org/stable/c/6476be59b7162b891b7bddbd0c2924d87379ef6c

https://git.kernel.org/stable/c/800b2767905d6b409b8bbe357121970f0b489a89

https://git.kernel.org/stable/c/fdee1b09721605f532352628d0a24623e7062efb