Date: Sun, 30 Jul 2017 12:49:04 +0800 (CST) From: sohu0106 <sohu0106@....com> To: oss-security@...ts.openwall.com Subject: Linux kernel: driver/video/fbdev/aty/atyfb_base.c: atyfb_ioctl() stack infoleak driver/video/fbdev/aty/atyfb_base.c In atyfb_ioctl() structure atyclk is copied to userland with padding bytes after "vclk_post_div" field unitialized. It leads to leaking of contents of kernel stack memory. We have to initialize them to zero. or it will allows local users to obtain potentially sensitive information from kernel stack memory by reading a copy of this structure https://github.com/torvalds/linux/pull/441
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