CVE-2022-49886

The CVE-2022-49886 issue affects the Linux kernel related to x86/tdx memory handling. The vulnerability stems from how private memory (TDX private memory, including kernel stacks/text) may trigger a virtualization exception (#VE) and the difficulty of handling such exceptions. The root cause desc...

CVE-2022-49721

CVE-2022-49721 affects the Linux kernel (arm64) ftrace. The root cause is inconsistent handling of PLT entries when calling ftrace trampolines: ftrace_modify_call() can produce out-of-range branches, causing warnings and no code change, or replace the old branch with a BRK, risking a kernel panic...