[CentOS-devel] RSB filling is enabled for CentOS 7 Kernel?
Veetil, Vyshnav
Vyshnav.Veetil at harman.comTue Oct 30 12:06:16 UTC 2018
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Hi All, We ran the spectre meltdown checker tool provided by: https://github.com/speed47/spectre-meltdown-checker. And it says that we are still vulnerable to variant #2 since RSB filling is not enabled in our kernel When we googled, the following bugzilla from RH suggests that it is enabled by default: https://bugzilla.redhat.com/show_bug.cg ... 2018-15572 When I was checking the source code of the latest CentOS kernel ,i don't see this feature flag set anywhere - X86_FEATURE_RSB_CTXSW. Could you please tell us ,If the Latest CentOS kernel supports RSB filling or not ?! Regards, Vyshnav -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos-devel/attachments/20181030/7bcd076d/attachment.html>
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