CVE-2017-1000253 – Linux Kernel PIE Stack Buffer Corruption Vulnerability

https://notcve.org/view.php?id=CVE-2017-1000253

26 Sep 2017 — Linux distributions that have not patched their long-term kernels with https://git.kernel.org/linus/a87938b2e246b81b4fb713edb371a9fa3c5c3c86 (committed on April 14, 2015). This kernel vulnerability was fixed in April 2015 by commit a87938b2e246b81b4fb713edb371a9fa3c5c3c86 (backported to Linux 3.10.77 in May 2015), but it was not recognized as a security threat. With CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE enabled, and a normal top-down address allocation strategy, load_elf_binary() will attempt to map a PIE bi... • https://www.exploit-db.com/exploits/42887 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •