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authorMichael Kerrisk <mtk.manpages@gmail.com>2016-09-21 10:16:28 +0200
committerMichael Kerrisk <mtk.manpages@gmail.com>2016-09-21 11:48:32 +0200
commit5681553cb80fa2221fc711af8f6d89b406dbeb8b (patch)
treeb90222f55671dab0007c5002001deaf6add7b10f /man5
parentc3c64ee6e3d991377ec404a983abc5f83a80bed8 (diff)
downloadman-pages-5681553cb80fa2221fc711af8f6d89b406dbeb8b.tar.gz
proc.5: Note that 'suid_dumpable' mode 1 is insecure
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man5')
-rw-r--r--man5/proc.54
1 files changed, 3 insertions, 1 deletions
diff --git a/man5/proc.5 b/man5/proc.5
index 7b88032f10..8391cb6eeb 100644
--- a/man5/proc.5
+++ b/man5/proc.5
@@ -4071,7 +4071,9 @@ All processes dump core when possible.
.BR core (5).)
The core dump is owned by the filesystem user ID of the dumping process
and no security is applied.
-This is intended for system debugging situations only.
+This is intended for system debugging situations only:
+this mode is insecure because it allows unprivileged users to
+examine the memory contents of privileged processes.
.TP
\fI2\ ("suidsafe")\fP
Any binary which normally would not be dumped (see "0" above)