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| author |   deraadt <deraadt@openbsd.org> | 2013-03-20 14:53:35 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 2013-03-20 14:53:35 +0000 |
| commit | 49f570061b0bd7108065c8eaad6fdeae55b7ca69 (patch) | |
| tree | 3369d48cd552e0ce10b8bd20d82b7509981c533c | |
| parent | spaces (diff) | |
| download | wireguard-openbsd-49f570061b0bd7108065c8eaad6fdeae55b7ca69.tar.xz wireguard-openbsd-49f570061b0bd7108065c8eaad6fdeae55b7ca69.zip | |
Only root can look at the kernel address space.
| -rw-r--r-- | usr.sbin/procmap/procmap.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/usr.sbin/procmap/procmap.c b/usr.sbin/procmap/procmap.c index 888fd2ce905..ff6c954d01c 100644 --- a/usr.sbin/procmap/procmap.c +++ b/usr.sbin/procmap/procmap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: procmap.c,v 1.42 2013/01/16 00:13:23 deraadt Exp $ */ +/* $OpenBSD: procmap.c,v 1.43 2013/03/20 14:53:35 deraadt Exp $ */ /* $NetBSD: pmap.c,v 1.1 2002/09/01 20:32:44 atatat Exp $ */ /* @@ -256,6 +256,9 @@ main(int argc, char *argv[]) } } + if (getuid() && pid == -1) + errx(1, "only root may look at the kernel"); + /* * Discard setgid privileges if not the running kernel so that bad * guys can't print interesting stuff from kernel memory. |