SEC: Spectre variant 2: GCC: -mindirect-branch=thunk -mindirect-branch-register

Wes Turner <[email protected]>
Newsgroups gmane.comp.python.distutils.devel
Message-ID <CACfEFw9+XkxC1DMsyRjgQ=ay-FhAumD1_3qtkBTS9Xc85hUZZg@mail.gmail.com> 
Should C extensions that compile all add
`-mindirect-branch=thunk -mindirect-branch-register` [1] to mitigate the
risk of Spectre variant 2 (which does indeed affect user space applications
as well as kernels)?

[1]
https://github.com/speed47/spectre-meltdown-checker/issues/119#issuecomment-361432244
[2] https://en.wikipedia.org/wiki/Spectre_(security_vulnerability)
[3]
https://en.wikipedia.org/wiki/Speculative_Store_Bypass#Speculative_execution_exploit_variants

--
Distutils-SIG mailing list -- [email protected]
To unsubscribe send an email to [email protected]
https://mail.python.org/mm3/mailman3/lists/distutils-sig.python.org/
Message archived at https://mail.python.org/mm3/archives/list/[email protected]/message/4BGE226DB5EWIAT5VCJ75QD5ASOVJZCM/
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.