This is a note to let you know that I've just added the patch titled
net: Update the sysctl permissions handler to test effective uid/gid
to the 3.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-update-the-sysctl-permissions-handler-to-test-effective-uid-gid.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 2433c8f094a008895e66f25bd1773cdb01c91d01 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Date: Sat, 5 Oct 2013 13:15:30 -0700
Subject: net: Update the sysctl permissions handler to test effective uid/gid
From: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
commit 2433c8f094a008895e66f25bd1773cdb01c91d01 upstream.
Modify the code to use current_euid(), and in_egroup_p, as in done
in fs/proc/proc_sysctl.c:test_perm()
Reviewed-by: Eric Sandeen <sandeen@xxxxxxxxxx>
Reported-by: Eric Sandeen <sandeen@xxxxxxxxxx>
Signed-off-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/sysctl_net.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/net/sysctl_net.c
+++ b/net/sysctl_net.c
@@ -47,12 +47,12 @@ static int net_ctl_permissions(struct ct
/* Allow network administrator to have same access as root. */
if (ns_capable(net->user_ns, CAP_NET_ADMIN) ||
- uid_eq(root_uid, current_uid())) {
+ uid_eq(root_uid, current_euid())) {
int mode = (table->mode >> 6) & 7;
return (mode << 6) | (mode << 3) | mode;
}
/* Allow netns root group to have the same access as the root group */
- if (gid_eq(root_gid, current_gid())) {
+ if (in_egroup_p(root_gid)) {
int mode = (table->mode >> 3) & 7;
return (mode << 3) | mode;
}
Patches currently in stable-queue which might be from ebiederm@xxxxxxxxxxxx are
queue-3.10/net-update-the-sysctl-permissions-handler-to-test-effective-uid-gid.patch
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