This is a note to let you know that I've just added the patch titled
net: Check the correct namespace when spoofing pid over SCM_RIGHTS
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-check-the-correct-namespace-when-spoofing-pid-over-scm_rights.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 d661684cf6820331feae71146c35da83d794467e Mon Sep 17 00:00:00 2001
From: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Date: Thu, 22 Aug 2013 11:39:15 -0700
Subject: net: Check the correct namespace when spoofing pid over SCM_RIGHTS
From: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
commit d661684cf6820331feae71146c35da83d794467e upstream.
This is a security bug.
The follow-up will fix nsproxy to discourage this type of issue from
happening again.
Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Reviewed-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/core/scm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -54,7 +54,7 @@ static __inline__ int scm_check_creds(st
return -EINVAL;
if ((creds->pid == task_tgid_vnr(current) ||
- ns_capable(current->nsproxy->pid_ns->user_ns, CAP_SYS_ADMIN)) &&
+ ns_capable(task_active_pid_ns(current)->user_ns, CAP_SYS_ADMIN)) &&
((uid_eq(uid, cred->uid) || uid_eq(uid, cred->euid) ||
uid_eq(uid, cred->suid)) || nsown_capable(CAP_SETUID)) &&
((gid_eq(gid, cred->gid) || gid_eq(gid, cred->egid) ||
Patches currently in stable-queue which might be from luto@xxxxxxxxxxxxxx are
queue-3.10/net-check-the-correct-namespace-when-spoofing-pid-over-scm_rights.patch
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