#verifier

Kernel & Low-Level6d ago

BPF gains 16-byte aggregate returns via R0:R2 pair

Kernel verifier and JITs learn LLVM 23's convention so subprograms and kfuncs can return __int128 and small structs by value.

By oops

Kernel & Low-Level8d ago

BPF verifier fixes plug refcount_acquire holes for borrowed kptrs

Two bugs let CAP_BPF programs feed NULL or stale pointers into refcount paths that could crash the kernel.

By kexec

Kernel & Low-Level20d ago

Stable kernels get BPF verifier fix for ld_abs/ind in subprogs

CVE-2026-53090 addressed incomplete failure-path analysis that could let unsafe programs pass verification.

By kexec