February 12, 2019—KB4486564 (Security-only update)

February 12, 2019—KB4486564 Security-only update Improvements and fixes This security update includes quality improvements. No new operating system features are being introduced in this update. Key changes include: Addresses an issue that may prevent applications that use a Microsoft Jet database...

AMD Bulldozer Linux ASLR weakness: Reducing entropy by 87.5%

A security issue in Linux ASLR implementation which affects some AMD processors has been found. The issue affects to all Linux process even if they are not using shared libraries statically compiled. The problem appears because some mmapped objects VDSO, libraries, etc. are poorly randomized in a...