Canonical released a microcode update for all Ubuntu users with AMD processors to address the well-known Spectre security vulnerability.The Spectre microprocessor side-channel vulnerabilities were publicly disclosed earlier this year and discovered to affect billions of devices made in the past two decades. Unearthed by Jann Horn of Google Project Zero, the second variant (CVE-2017-5715) of the Spectre vulnerability is described as a branch target injection attack.
The security vulnerability affects all microprocessors that use branch prediction and speculative execution function, and it can allow unauthorized memory reads via side-channel atta... (read more)
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