CVE-2017-14954 (NVD)

2017-10-01

The waitid implementation in kernel/exit.c in the Linux kernel through 4.13.4 accesses rusage data structures in unintended cases, which allows local users to obtain sensitive information, and bypass the KASLR protection mechanism, via a crafted system call.

Products Linux_kernel
Type Information Exposure (CWE-200)
First patch https://github.com/torvalds/linux/commit/6c85501f2fabcfc4fc6ed976543d252c4eaf4be9
Relevant file/s ./kernel/exit.c (modified, +10, -13)
Links • https://grsecurity.net/~spender/exploits/wait_for_kaslr_to_be_effective.c
• https://twitter.com/grsecurity/status/914079864478666753
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6c85501f2fabcfc4fc6ed976543d252c4eaf4be9
• https://twitter.com/_argp/status/914021130712870912

linux - Tree: 6c85501f2f

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