Messages in this thread Patch in this message | | | Date | Tue, 14 Feb 2006 02:37:30 +0100 | From | Lukasz Stelmach <> | Subject | [patch] RTC_ALM_SET ioctl secured |
| |
Greetings.
In 2.6.15 every Joe User can set up alarm on RTC chip with RTC_ALM_SET. IMHO there should be a check agains CAP_SYS_TIME before it is done.
PS, please CC, I'm not a subscriber. -- Było mi bardzo miło. Czwarta pospolita klęska, [...] >Łukasz< Już nie katolicka lecz złodziejska. (c)PP
------------------------------------------------------------------- Fotoerotica! >>> http://link.interia.pl/f1904 --- rtc.c~ 2006-02-14 02:31:51.000000000 +0100 +++ rtc.c 2006-02-14 02:32:48.000000000 +0100 @@ -478,6 +478,9 @@ unsigned char hrs, min, sec; struct rtc_time alm_tm;
+ if (!capable(CAP_SYS_TIME)) + return -EACCES; + if (copy_from_user(&alm_tm, (struct rtc_time __user *)arg, sizeof(struct rtc_time))) return -EFAULT; --------------010106000008050707000800--[unhandled content-type:application/pgp-signature] | |