auxv: require the target to be tracable (or yourself), CVE-2011-1020
authorAl Viro <viro@zeniv.linux.org.uk>
Thu, 21 Jul 2011 13:13:45 +0000 (14:13 +0100)
committerTim Gardner <tim.gardner@canonical.com>
Thu, 21 Jul 2011 20:08:08 +0000 (14:08 -0600)
commitb2bc9b5c10531187cc08d7b91760b3e6c4f0fd6e
treea638056d6de7496ccc8af4e976bc7afaa2993142
parent6281ba6f3f1cd818ef1b437f55402bfaf09467e1
auxv: require the target to be tracable (or yourself), CVE-2011-1020

same as for environ, except that we didn't do any checks to
prevent access after suid execve

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
(cherry picked from commit 2fadaef41283aad7100fa73f01998cddaca25833)
CVE-2011-1020
BugLink: http://bugs.launchpad.net/bugs/813026
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
fs/proc/base.c