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Red Hat Bugzilla – Attachment 1490730 Details for
Bug 1624498
CVE-2018-14634 kernel: Integer overflow in Linux's create_elf_tables function
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extra mitigation - setrlimit race condition
cve-2018-14634-part2.stp (text/plain), 357 bytes, created by
Frank Ch. Eigler
on 2018-10-04 22:02:21 UTC
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Description:
extra mitigation - setrlimit race condition
Filename:
MIME Type:
Creator:
Frank Ch. Eigler
Created:
2018-10-04 22:02:21 UTC
Size:
357 bytes
patch
obsolete
> >probe kernel.function("do_prlimit") { > if ($resource == @const("RLIMIT_STACK") && $new_rlim != 0) > { > l = @const("_STK_LIM")/4*3; > if ($new_rlim->rlim_cur > l) > { > $new_rlim->rlim_cur = l; > printf("setrlimit clamped process %s(%d) STACK rlim_cur to %p\n", > execname(), pid(), l) > } > } >} >
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