PS5 FIRMWARE 14.10 SECURITY AUDIT: DEAD ENDS PRUNED & WEBCORE BECOMES #1 PRIORITY 🎯 New hardware testing results from 1,850 probes across retail 14.10 consoles: • Ecosystem Priority Aligned: Both research teams officially designate WebKit Canvas UAF (CVE-2026-43720 / @Arn0Stride7) as the #1 active exploit path for PS5 14.10; Lua-side bridge probe p550 deployed • Ghost Handle Closed (CVE-2019-5607): Probes 527b–527d tested high-volume STREAM/DGRAM buffer fills; zero phantom fds observed (patched in kernel) • Direct Memory R/W via dmem0: mmap(477) on /dev/dmem0 successfully maps physical GPU memory (0x100000000–0x150000000); 16GB physical scan confirms kernel System RAM (< 4GB) is 100% isolated • msync UAF Refused (CVE-2026-49418): Syscall 65 tested with MS_INVALIDATE across all 5 mapping classes; returns -1 (EINVAL) everywhere • AIO TOCTOU Race Mitigated: Probe 540b hit 384/384 slot swaps, but kernel safety code detected reallocation and aborted free (0x80020010)