Ubuntu Patches
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Ubuntu Preparing Kernel Updates With IBRS/IBPB For Spectre Mitigation
Canonical has rolled out Spectre Variant One and Spectre Variant Two mitigation to their proposed repository with updated kernels for Ubuntu 14.04 LTS / 16.04 LTS / 17.10. These kernels with IBRS and IBPB added in will be sent down as stable release updates next week.
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Canonical Invites Ubuntu Users to Test Kernel Patches for Spectre Security Flaw
Canonical has released preliminary kernel updates to mitigate both variants of the Spectre security vulnerability in all supported Ubuntu Linux operating systems, including all official flavors.
The company promised last week that it would release new kernel updates on Monday, January 15, 2018, for all supported Ubuntu releases. But it didn't happen as they needed more time to thoroughly test and prepare the patches that would presumably address variant 1 and 2 of the Spectre exploit, which is harder to fix than Meltdown, so that it won't cause any issues.
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Purism Progress Report, Spectre Mitigation for Ubuntu, Malicious Chrome Extensions and More
Canonical has made Spectre Variant One and Spectre Variant Two mitigation availble in Ubuntu Proposed with updated kernels for Ubuntu 14.04 LTS, 16.04 LTS and 17.10. Those kernels will be in the stable release updates starting January 22, 2018. See ubuntu insights for more information.
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