CVE-2022-49855 Information

Description

In the Linux kernel the following vulnerability has been resolved:

net: wwan: iosm: fix memory leak in ipc_pcie_read_bios_cfg

ipc_pcie_read_bios_cfg() is using the acpi_evaluate_dsm() to obtain the wwan power state configuration from BIOS but is not freeing the acpi_object. The acpi_evaluate_dsm() returned acpi_object to be freed.

Free the acpi_object after use.

Reference

https://git.kernel.org/stable/c/13b1ea861e8aeb701bcfbfe436b943efa2d44029 https://git.kernel.org/stable/c/7560ceef4d2832a67e8781d924e129c7f542376f https://git.kernel.org/stable/c/d38a648d2d6cc7bee11c6f533ff9426a00c2a74c