Debian Linux Security Advisory 5563-1 - Benoit Morgan, Paul Grosen, Thais Moreira Hamasaki, Ke Sun, Alyssa Milburn, Hisham Shafi, Nir Shlomovich, avis Ormandy, Daniel Moghimi, Josh Eads, Salman Qazi, Alexandra Sandulescu, Andy Nguyen, Eduardo Vela, Doug Kwan, and Kostik Shtoyk discovered that some Intel processors mishandle repeated sequences of instructions leading to unexpected behavior, which may result in privilege escalation, information disclosure or denial of service.
d7001a334e8b340f1b8652c36b9d2a6bbfa2e0f10274b965432d30653479e5d9Ubuntu Security Notice 6485-1 - Benoit Morgan, Paul Grosen, Thais Moreira Hamasaki, Ke Sun, Alyssa Milburn, Hisham Shafi, Nir Shlomovich, Tavis Ormandy, Daniel Moghimi, Josh Eads, Salman Qazi, Alexandra Sandulescu, Andy Nguyen, Eduardo Vela, Doug Kwan, and Kostik Shtoyk discovered that some Intel Processors did not properly handle certain sequences of processor instructions. A local attacker could possibly use this to cause a core hang , gain access to sensitive information or possibly escalate their privileges.
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