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authorMichael Kerrisk <mtk.manpages@gmail.com>2020-06-08 18:16:53 +0200
committerMichael Kerrisk <mtk.manpages@gmail.com>2020-06-08 18:16:53 +0200
commit2f0e61aec205ff34a17c83872edf233eecea4032 (patch)
tree9d961578c2ad53fdcbd8b6e4a330678a5b7929e8
parentb665474b29435f39ef9377408f8849ea642a7ec9 (diff)
downloadman-pages-2f0e61aec205ff34a17c83872edf233eecea4032.tar.gz
core.5: Note that not dumping core of an unreadable binary is a security measure
Reported-by: Jonny Grant <jg@jguk.org> Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
-rw-r--r--man5/core.54
1 files changed, 4 insertions, 0 deletions
diff --git a/man5/core.5 b/man5/core.5
index 456366ea62..0d7b7b6178 100644
--- a/man5/core.5
+++ b/man5/core.5
@@ -90,6 +90,10 @@ in
.IP *
The binary being executed by the process does not have read
permission enabled.
+(This is a security measure to
+ensure that an executable whose contents are not readable
+does not produce a\(empossibly readable\(emcore dump containing
+an image of the executable.)
.IP *
The process is executing a set-user-ID (set-group-ID) program
that is owned by a user (group) other than the real user (group)