CVE-2021-46933 | Linux Kernel up to 5.15.12 USB Descriptor lib/refcount.c ffs_data_clear use after free

CVE-2021-46933 | Linux Kernel up to 5.15.12 USB Descriptor lib/refcount.c ffs_data_clear use after free

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 5.15.12. Affected by this issue is the function ffs_data_clear in the library lib/refcount.c of the component USB Descriptor Handler. The manipulation leads to use after free. This vulnerability is handled as CVE-2021-46933. Access to the local network is required for this attack. There is no exploit available. It is recommended to upgrade the affected component.