CVE-2026-46290

The CVE describes a Linux kernel issue in x86/efi: after FPU-related softirq changes, kernel_fpu_begin() uses fpregs_lock() with local_bh_disable(), setting SOFTIRQ_OFFSET during EFI runtime calls. This makes in_interrupt() return true in normal task context, causing efi_crash_gracefully_on_page_...

PT-2026-47362

In the Linux kernel, the following vulnerability has been resolved: x86/efi: Fix graceful fault handling after FPU softirq changes Since commit d02198550423 "x86/fpu: Improve crypto performance by making kernel-mode FPU reliably usable in softirqs", kernel fpu begin calls fpregs lock which uses...