Linux Perf Filter Can Expose the Kernel’s Randomized Address A newly reported Linux perf filter flaw lets an unprivileged user find where the kernel is loaded on a tested x86-64 configuration. September 30, 2026
Linux File Truncation Patch Targets Data Loss Beyond the Requested Range A Linux patch series addresses how file truncation or hole punching could discard valid data beyond the range an application asked to remove. September 30, 2026
Linux Tracing Patch Addresses a Probe Use-After-Free Race A proposed Linux tracing patch addresses a race that could free a function probe while its return callback is still using it. September 30, 2026
Linux Memory Fault Bug Can Release a Lock Twice on SuperH A proposed Linux patch addresses a double unlock in the SuperH architecture’s page-fault handling. September 30, 2026
How to Review Linux Security Boundaries: Three Kernel Examples A Linux security review can find a check, a lock, or a safe-looking range and still miss the failure. September 29, 2026
Linux eBPF Security Fixes Stop Interpreter Paths From Changing During Program Launch Two Linux fixes show how extended Berkeley Packet Filter (eBPF) security can fail when mutable map data crosses into the exec path, where Linux starts a program. September 28, 2026
Linux GPU Security Fix Prevents Stale Mappings Across Containers A Linux GPU security fix changes how AMD’s Kernel Fusion Driver (KFD) tracks shared mappings when several containers use one device. September 28, 2026