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Fixes an issue in the size of the stack guard page on Linux,
specifically a 4k stack guard page is not sufficiently large
and can be "jumped" over (the stack guard page is bypassed),
this affects Linux Kernel versions 4.11.5 and earlier.
References:
https://nvd.nist.gov/vuln/detail/CVE-2017-1000364
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-1000364
https://blogs.oracle.com/wim/cve-2017-1000364
Upstream patch
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?h=v4.9.50&id=cfc0eb403816c5c4f9667d959de5e22789b5421e
Signed-off-by: Sona Sarmadi <sona.sarmadi@enea.com>
Signed-off-by: Adrian Dudau <adrian.dudau@enea.com>
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