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    Subject[PATCH 142/173] drivers/rtc/rtc-ds1511.c: world-writable sysfs nvram file
    2.6.27.59-stable review patch.  If anyone has any objections, please let us know.

    ------------------

    From: Vasiliy Kulikov <segoon@openwall.com>

    commit 49d50fb1c28738ef6bad0c2b87d5355a1653fed5 upstream.

    Don't allow everybogy to write to NVRAM.

    Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
    Cc: Andy Sharp <andy.sharp@onstor.com>
    Cc: Alessandro Zummo <a.zummo@towertech.it>
    Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

    ---
    drivers/rtc/rtc-ds1511.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    Index: longterm-2.6.27/drivers/rtc/rtc-ds1511.c
    ===================================================================
    --- longterm-2.6.27.orig/drivers/rtc/rtc-ds1511.c 2011-01-23 10:52:24.000000000 +0100
    +++ longterm-2.6.27/drivers/rtc/rtc-ds1511.c 2011-04-25 17:05:58.082277591 +0200
    @@ -493,7 +493,7 @@
    static struct bin_attribute ds1511_nvram_attr = {
    .attr = {
    .name = "nvram",
    - .mode = S_IRUGO | S_IWUGO,
    + .mode = S_IRUGO | S_IWUSR,
    .owner = THIS_MODULE,
    },
    .size = DS1511_RAM_MAX,



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