An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458. CREATE(Triage):(User=admin) CVE-2021-3347 (https://nvd.nist.gov/vuln/detail/CVE-2021-3347)
