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| author | Eric W. Biederman <ebiederm@xmission.com> | 2013-10-05 13:15:30 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-10-06 13:50:14 -0700 |
| commit | 2433c8f094a008895e66f25bd1773cdb01c91d01 (patch) | |
| tree | 0b5136b1d816a1b90cc7370313a257a60f6865ae /net/sysctl_net.c | |
| parent | 13caa8ed93513dd216ede0c84d833e39fc2e3e2a (diff) | |
| download | kernel-common-2433c8f094a008895e66f25bd1773cdb01c91d01.tar.gz kernel-common-2433c8f094a008895e66f25bd1773cdb01c91d01.tar.bz2 kernel-common-2433c8f094a008895e66f25bd1773cdb01c91d01.zip | |
net: Update the sysctl permissions handler to test effective uid/gid
Modify the code to use current_euid(), and in_egroup_p, as in done
in fs/proc/proc_sysctl.c:test_perm()
Cc: stable@vger.kernel.org
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Reported-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net/sysctl_net.c')
| -rw-r--r-- | net/sysctl_net.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/sysctl_net.c b/net/sysctl_net.c index 9bc6db04be3e..e7000be321b0 100644 --- a/net/sysctl_net.c +++ b/net/sysctl_net.c @@ -47,12 +47,12 @@ static int net_ctl_permissions(struct ctl_table_header *head, /* 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; } |