CVE-2019-13049: Integer Overflow or Wraparound

An integer wrap in kernel/sys/syscall.c in ToaruOS 1.10.10 allows users to map arbitrary kernel pages into userland process space via TOARUSYSFUNCMMAP, leading to escalation of privileges...

CVE-2019-13047: Missing Authorization

kernel/sys/syscall.c in ToaruOS through 1.10.9 has incorrect access control in syssysfunc case 9 for TOARUSYSFUNCSETHEAP, allowing arbitrary kernel pages to be mapped into user land, leading to root access...

CVE-2019-13048: Integer Overflow or Wraparound

kernel/sys/syscall.c in ToaruOS through 1.10.9 allows a denial of service upon a critical error in certain syssbrk allocation patterns involving PAGESIZE, and a value less than PAGESIZE...