CVE-2022-49402

In the Linux kernel, the following vulnerability has been resolved: ftrace: Clean up hash directfunctions on register failures We see the following GPF when registerftracedirect fails: general protection fault, probably for non-canonical address \ 0x200000000000010: 0000 1 PREEMPT SMP...

CVE-2022-49402

CVE-2022-49402 concerns the Linux kernel ftrace hashing of direct_functions. The issue triggers a general protection fault when register_ftrace_direct fails, due to the entry not being removed from direct_functions. The available connected docs confirm the root cause and the fix: remove the entry...