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Ubuntu Security Notice USN-3742-2

Posted Aug 15, 2018

Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3742-2 - USN-3742-1 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 for Ubuntu 12.04 ESM. It was discovered that memory present in the L1 data cache of an Intel CPU core may be exposed to a malicious process that is executing on the CPU core. This vulnerability is also known as L1 Terminal Fault. A local attacker in a guest virtual machine could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, kernel, local, vulnerability

systems | linux, ubuntu

advisories | CVE-2017-18344, CVE-2018-3620, CVE-2018-3646, CVE-2018-5390, CVE-2018-5391

SHA-256 | fb6596a35a24622812cff1ed302b520e11da3ba722f0c644f087c285bc64787d

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