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Ubuntu Security Notice USN-3620-2

Posted Apr 5, 2018

Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3620-2 - USN-3620-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. Various other issues were also addressed.

tags | advisory, kernel, local, vulnerability

systems | linux, ubuntu

advisories | CVE-2017-11089, CVE-2017-12762, CVE-2017-17448, CVE-2017-17741, CVE-2017-17805, CVE-2017-17807, CVE-2017-5715, CVE-2018-1000026, CVE-2018-5332

SHA-256 | d798485e3bbd4692b62e40f7dd3bc4665b87003190226b4bceb08a4ce5ba5f99

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