CVE-2026-31641 rxrpc: Fix RxGK token loading to check bounds

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix RxGK token loading to check bounds rxrpcpreparsexdryfsrxgk reads the raw key length and ticket length from the XDR token as u32 values and passes each through roundupx, 4 before using the rounded value for validation a...

CVE-2021-28699

CVE-2021-28699 affects Xen-based platforms (Citrix Hypervisor and Xen). The issue is an inadequate bounds check in the grant table status path: translation of the grant-status frame numbers can exceed allocated translation space, allowing writes beyond the intended area. Citrix shows this as a ho...