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authorLinus Torvalds <torvalds@linux-foundation.org>2012-04-07 12:51:36 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-04-07 12:51:36 -0400
commitd6a624eef128c97b35fcea47cd00ef22f005e7aa (patch)
treee547bfbbddc2ffa872949cc3bfe95a03d38a3783 /kernel
parentf21fec96ead90eae7bcb3c847e8115c119c5dc62 (diff)
parent620f6e8e855d6d447688a5f67a4e176944a084e8 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security layer fixlet from James Morris. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: sysctl: fix write access to dmesg_restrict/kptr_restrict
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sysctl.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 52b3a06a02f8..4ab11879aeb4 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -170,7 +170,7 @@ static int proc_taint(struct ctl_table *table, int write,
170#endif 170#endif
171 171
172#ifdef CONFIG_PRINTK 172#ifdef CONFIG_PRINTK
173static int proc_dmesg_restrict(struct ctl_table *table, int write, 173static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write,
174 void __user *buffer, size_t *lenp, loff_t *ppos); 174 void __user *buffer, size_t *lenp, loff_t *ppos);
175#endif 175#endif
176 176
@@ -703,7 +703,7 @@ static struct ctl_table kern_table[] = {
703 .data = &dmesg_restrict, 703 .data = &dmesg_restrict,
704 .maxlen = sizeof(int), 704 .maxlen = sizeof(int),
705 .mode = 0644, 705 .mode = 0644,
706 .proc_handler = proc_dointvec_minmax, 706 .proc_handler = proc_dointvec_minmax_sysadmin,
707 .extra1 = &zero, 707 .extra1 = &zero,
708 .extra2 = &one, 708 .extra2 = &one,
709 }, 709 },
@@ -712,7 +712,7 @@ static struct ctl_table kern_table[] = {
712 .data = &kptr_restrict, 712 .data = &kptr_restrict,
713 .maxlen = sizeof(int), 713 .maxlen = sizeof(int),
714 .mode = 0644, 714 .mode = 0644,
715 .proc_handler = proc_dmesg_restrict, 715 .proc_handler = proc_dointvec_minmax_sysadmin,
716 .extra1 = &zero, 716 .extra1 = &zero,
717 .extra2 = &two, 717 .extra2 = &two,
718 }, 718 },
@@ -1943,7 +1943,7 @@ static int proc_taint(struct ctl_table *table, int write,
1943} 1943}
1944 1944
1945#ifdef CONFIG_PRINTK 1945#ifdef CONFIG_PRINTK
1946static int proc_dmesg_restrict(struct ctl_table *table, int write, 1946static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write,
1947 void __user *buffer, size_t *lenp, loff_t *ppos) 1947 void __user *buffer, size_t *lenp, loff_t *ppos)
1948{ 1948{
1949 if (write && !capable(CAP_SYS_ADMIN)) 1949 if (write && !capable(CAP_SYS_ADMIN))