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| author | Eric W. Biederman <ebiederm@xmission.com> | 2013-07-02 10:04:54 -0700 |
|---|---|---|
| committer | Chanho Park <chanho61.park@samsung.com> | 2014-11-18 11:47:01 +0900 |
| commit | ac17dcba24894fde9657968ba10d28501c3a4ed3 (patch) | |
| tree | ec41f543feeb38d34d081d2203783368d3df758e | |
| parent | cfeefb8237d985d9223679f012531842183df408 (diff) | |
| download | linux-3.10-ac17dcba24894fde9657968ba10d28501c3a4ed3.tar.gz linux-3.10-ac17dcba24894fde9657968ba10d28501c3a4ed3.tar.bz2 linux-3.10-ac17dcba24894fde9657968ba10d28501c3a4ed3.zip | |
userns: Allow PR_CAPBSET_DROP in a user namespace.
As the capabilites and capability bounding set are per user namespace
properties it is safe to allow changing them with just CAP_SETPCAP
permission in the user namespace.
Change-Id: I65d5c6ef80d4196cc6b8cbc86a9661764c5b3ab1
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Tested-by: Richard Weinberger <richard@nod.at>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Dariusz Michaluk <d.michaluk@samsung.com>
| -rw-r--r-- | security/commoncap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/security/commoncap.c b/security/commoncap.c index c9219a66b7c..276f4d171e0 100644 --- a/security/commoncap.c +++ b/security/commoncap.c @@ -827,7 +827,7 @@ int cap_task_setnice(struct task_struct *p, int nice) */ static long cap_prctl_drop(struct cred *new, unsigned long cap) { - if (!capable(CAP_SETPCAP)) + if (!ns_capable(current_user_ns(), CAP_SETPCAP)) return -EPERM; if (!cap_valid(cap)) return -EINVAL; |