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Meltdown Patches and Problems

Filed under
Security
Ubuntu
  • [Ubuntu] Meltdown and Spectre Status Update

    On Tuesday, January 9, 2018 we released Ubuntu kernel updates for mitigation of CVE-2017-5754 (aka Meltdown / Variant 3) for the x86-64 architecture.

  • Lubuntu 17.10.1 (Artful Aardvark) released!

    Lubuntu 17.10.1 has been released to fix a major problem affecting many Lenovo laptops that causes the computer to have BIOS problems after installing. You can find more details about this problem here.

    Please note that the Meltdown and Spectre vulnerabilities have not been fixed in this ISO, so we advise that if you install this ISO, update directly after.

    This release is no different in terms of features from the 17.10 release, and is comparable to an LTS point release in that all updates since the 17.10 release have been rolled into this ISO. You can find the initial announcement here.

  • Check Linux for Spectre or Meltdown vulnerability

    Devices running Linux are affected by Spectre and Meltdown vulnerabilities as much as their Windows counterparts.

    Development teams work on updated kernels for the various distributions, and users need to update browsers and other software to protect data against potential attacks.

    We talked about identifying whether your Windows PC or web browser is vulnerable already. A recently published script does the same for Linux systems. You may use it to check whether your Linux distribution is vulnerable.

  • Meltdown Patch Is Causing Problems for Some Ubuntu Linux Users

    Many Ubuntu Linux users who installed the latest kernel updates to fix the Meltdown CPU vulnerability found themselves stuck in a boot loop and had to revert back to a previous version.

    The problem affected mostly Ubuntu 16.04 (Xenial Xerus), which is a long-term support (LTS) release. Soon after the 4.4.0-108 kernel update was released to fix the Meltdown vulnerability, users flooded the Ubuntu Forums and bug tracker to report booting problems.

  • Meltdown Update Kernel doesnt boot
  • Major Linux distros have Meltdown patches, but that's only part of the fix

    The Intel Meltdown security problem is the pain that just keeps hurting. Still, there is some good news. Ubuntu and Debian Linux have patched their distributions. The bad news? It's becoming clearer than ever that fixing Meltdown causes significant performance problems. Worst still, many older servers and appliances are running insecure, unpatchable Linux distributions.

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