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-rw-r--r--security/selinux/hooks.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 6475e1f0223e..c67f863d3546 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -79,6 +79,7 @@
79#include <linux/mutex.h> 79#include <linux/mutex.h>
80#include <linux/posix-timers.h> 80#include <linux/posix-timers.h>
81#include <linux/syslog.h> 81#include <linux/syslog.h>
82#include <linux/user_namespace.h>
82 83
83#include "avc.h" 84#include "avc.h"
84#include "objsec.h" 85#include "objsec.h"
@@ -1846,11 +1847,11 @@ static int selinux_capset(struct cred *new, const struct cred *old,
1846 */ 1847 */
1847 1848
1848static int selinux_capable(struct task_struct *tsk, const struct cred *cred, 1849static int selinux_capable(struct task_struct *tsk, const struct cred *cred,
1849 int cap, int audit) 1850 struct user_namespace *ns, int cap, int audit)
1850{ 1851{
1851 int rc; 1852 int rc;
1852 1853
1853 rc = cap_capable(tsk, cred, cap, audit); 1854 rc = cap_capable(tsk, cred, ns, cap, audit);
1854 if (rc) 1855 if (rc)
1855 return rc; 1856 return rc;
1856 1857
@@ -1931,7 +1932,8 @@ static int selinux_vm_enough_memory(struct mm_struct *mm, long pages)
1931{ 1932{
1932 int rc, cap_sys_admin = 0; 1933 int rc, cap_sys_admin = 0;
1933 1934
1934 rc = selinux_capable(current, current_cred(), CAP_SYS_ADMIN, 1935 rc = selinux_capable(current, current_cred(),
1936 &init_user_ns, CAP_SYS_ADMIN,
1935 SECURITY_CAP_NOAUDIT); 1937 SECURITY_CAP_NOAUDIT);
1936 if (rc == 0) 1938 if (rc == 0)
1937 cap_sys_admin = 1; 1939 cap_sys_admin = 1;
@@ -2834,7 +2836,8 @@ static int selinux_inode_getsecurity(const struct inode *inode, const char *name
2834 * and lack of permission just means that we fall back to the 2836 * and lack of permission just means that we fall back to the
2835 * in-core context value, not a denial. 2837 * in-core context value, not a denial.
2836 */ 2838 */
2837 error = selinux_capable(current, current_cred(), CAP_MAC_ADMIN, 2839 error = selinux_capable(current, current_cred(),
2840 &init_user_ns, CAP_MAC_ADMIN,
2838 SECURITY_CAP_NOAUDIT); 2841 SECURITY_CAP_NOAUDIT);
2839 if (!error) 2842 if (!error)
2840 error = security_sid_to_context_force(isec->sid, &context, 2843 error = security_sid_to_context_force(isec->sid, &context,
@@ -2968,7 +2971,7 @@ static int selinux_file_ioctl(struct file *file, unsigned int cmd,
2968 case KDSKBENT: 2971 case KDSKBENT:
2969 case KDSKBSENT: 2972 case KDSKBSENT:
2970 error = task_has_capability(current, cred, CAP_SYS_TTY_CONFIG, 2973 error = task_has_capability(current, cred, CAP_SYS_TTY_CONFIG,
2971 SECURITY_CAP_AUDIT); 2974 SECURITY_CAP_AUDIT);
2972 break; 2975 break;
2973 2976
2974 /* default case assumes that the command will go 2977 /* default case assumes that the command will go