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-rw-r--r--kernel/printk.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/printk.c b/kernel/printk.c
index 9a2264f..0712380 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -283,8 +283,14 @@ int do_syslog(int type, char __user *buf, int len, bool from_file)
return -EPERM;
if ((type != SYSLOG_ACTION_READ_ALL &&
type != SYSLOG_ACTION_SIZE_BUFFER) &&
- !capable(CAP_SYS_ADMIN))
+ !capable(CAP_SYSLOG)) {
+ /* remove after 2.6.38 */
+ if (capable(CAP_SYS_ADMIN))
+ WARN_ONCE(1, "Attempt to access syslog with "
+ "CAP_SYS_ADMIN but no CAP_SYSLOG "
+ "(deprecated and denied).\n");
return -EPERM;
+ }
}
error = security_syslog(type);
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