Security News Archives
Linux Readying Spectre V2 Userspace-Userspace Protection

While the Linux kernel has been patched for months (and updated CPU microcode available) to mitigate Spectre Variant Two "Branch Target Injection" this has been focused on kernel-space protection while patches are pending now for userspace-userspace protection.

26 September 2018 - Spectre Variant Two - 5 Comments
A Global Switch To Kill Linux's CPU Spectre/Meltdown Workarounds?

Something I have seen asked in our forums and elsewhere -- most recently on the kernel mailing list -- is whether there is a single kernel option that can be used for disabling all of the Spectre/Meltdown workarounds and any other performance-hurting CPU vulnerability workarounds.

25 August 2018 - More Performance!!!! - 89 Comments
Three New Security Advisories Hit X.Org's X11 Library

It's been a while since last having any big security bulletins for the X.Org Server even though some of the code-base dates back decades and security researchers have said the security is even worse than it looks and numerous advisories have come up in recent years. But it's not because X11 is bug-free as today three more security bulletins were made public affecting libX11.

21 August 2018 - libX11 Vulnerable - 8 Comments
Updated ARM Patches Posted For Mitigating Spectre V1 With GCC Compiler

ARM's Richard Earnshaw has posted a revised version for their months-in-development patch-set for mitigating against unsafe data speculation by the GCC code compiler. This new Spectre V1 mitigation for ARM 64-bit would be exposed via a new -mtrack-speculation compiler switch.

29 July 2018 - Spectre V1 GCC Feature - 1 Comment

94 Security news articles published on Phoronix.