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kernel: Restrict permissions of /proc/iomem. 

The permissions of /proc/iomem currently are -r--r--r--. Everyone can
see its content. As iomem contains information about the physical memory
content of the device, restrict the information only to root.

Change-Id: If0be35c3fac5274151bea87b738a48e6ec0ae891
CRs-Fixed: 786116
Signed-off-by: Biswajit Paul <biswajitpaul@codeaurora.org>
Signed-off-by: Avijit Kanti Das <avijitnsec@codeaurora.org>
This commit is contained in:
Biswajit Paul 2015-02-09 15:21:12 -08:00 committed by Gerrit - the friendly Code Review server
parent 399f73ac08
commit e758417e7c
1 changed files with 1 additions and 1 deletions
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kernel/resource.c
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@ -153,7 +153,7 @@ static const struct file_operations proc_iomem_operations = {
static int __init ioresources_init(void)
{
proc_create("ioports", 0, NULL, &proc_ioports_operations);
proc_create("iomem", 0, NULL, &proc_iomem_operations);
proc_create("iomem", S_IRUSR, NULL, &proc_iomem_operations);
return 0;
}
__initcall(ioresources_init);