Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: ACPI: platform: Use acpi_bus_get_primary_device() The acpi_get_first_physical_node() usage in acpi_platform_fill_resource() and acpi_create_platform_device() is generally unsafe because in theory the device returned by it may be freed at any time [1]. It is also inefficient because acpi_get_first_physical_node() is called multiple times for the same argument which can be avoided. Address these issues by using acpi_bus_get_primary_device() instead of acpi_get_first_physical_node() and adjusting the code to call it just once at the beginning of and acpi_create_platform_device() and drop the device reference acquired by it upon the return from that function.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 3b95bd160547f56a68aeb972c33ae9511e7a8380 before a75e5de593ef158feb17989bff7730c5a3d82503; affected 3b95bd160547f56a68aeb972c33ae9511e7a8380 before 527a497fb2ef77a95170eefe2007e2c4c957bd2c; affected 3b95bd160547f56a68aeb972c33ae9511e7a8380 before c9d202d3b6c28e8c779cd2f2b10d2f7ab665ca71; affected 3b95bd160547f56a68aeb972c33ae9511e7a8380 before a9ba4dd2f18bf3f439d9ef0d8f375f90360ba1bd |
| Linux / Linux | affected 4.6; unaffected 0 before 4.6; unaffected 6.6.160 through 6.6.*; unaffected 6.12.114 through 6.12.*; unaffected 7.2.6 through 7.2.*; unaffected 7.3 through * |
CWE
No CWE identifiers supplied.