CVE-2024-50113

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> firewire: core: fix invalid port index for parent device<br /> <br /> In a commit 24b7f8e5cd65 ("firewire: core: use helper functions for self<br /> ID sequence"), the enumeration over self ID sequence was refactored with<br /> some helper functions with KUnit tests. These helper functions are<br /> guaranteed to work expectedly by the KUnit tests, however their application<br /> includes a mistake to assign invalid value to the index of port connected<br /> to parent device.<br /> <br /> This bug affects the case that any extra node devices which has three or<br /> more ports are connected to 1394 OHCI controller. In the case, the path<br /> to update the tree cache could hits WARN_ON(), and gets general protection<br /> fault due to the access to invalid address computed by the invalid value.<br /> <br /> This commit fixes the bug to assign correct port index.