TGViewer
Linux Kernel Security Linux Kernel Security @linkersec · 4.71K subscribers
Post #386 3.6K
Unprivileged root via a use-after-free in DRM GEM change_handle (CVE-2026-46215)

Stan Shaw published an article about exploiting UAF in a DRM GEM ioctl. The researcher reallocated freed memory as a pipe_buffer array to set PIPE_BUF_FLAG_CAN_MERGE and perform the Dirty Pipe attack.
  • 🔥 10
  • 👍 1
More from @linkersec
  1. Sep 21, 2026CROSS-X: Generalized and Stable Cross-Cache Attack on the Linux Kernel Paper by Dong-ok Ki…
  2. Sep 16, 2026Testing race conditions with memory access tracing and stack-based delay injection Article…
  3. Sep 8, 2026SCTPhantom: An 18-Year-Old SCTP ASCONF Transport Use-After-Free Article about exploiting C…
  4. Aug 14, 2026Gone in 60 Frames – USB Video Exploitation Article (and slides) by Alex Plaskett and Rober…
  5. Aug 11, 2026IonStack part III: Rooting Android 17 with GhostLock Article about adapting the exploit of…
  6. Jul 23, 2026I handed the epoll UAF to an agent Article by Guy Beck about using Claude for porting an e…
Threads Profile ViewerView any public Threads profile without an account.Open ThreadLook →Writing with AI? Make it sound human.Metric37 rewrites AI drafts so they read naturally. Free AI detector, 1,500 words free.Try Metric37 →