CVE-2026-64235

The CVE-2026-64235 entry describes a Linux kernel vulnerability in x86 ftrace where relocating %rip-relative percpu refs in dynamic trampolines caused a crash on the first call to a traced function when CONFIG_CALL_DEPTH_TRACKING is enabled on retbleed-affected platforms (e.g., Skylake). The root...

PT-2026-64350

In the Linux kernel, the following vulnerability has been resolved: x86/ftrace: Relocate %rip-relative percpu refs in dynamic trampolines With CONFIG CALL DEPTH TRACKING enabled on an x86 retbleed-affected platform eg: Skylake, with retbleed=stuff, registering a dynamic ftrace trampoline crashes ...