Description
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.
Exploits (1)
nomisec
WORKING POC
1 stars
by echo-devim · poc
https://github.com/echo-devim/exploit_linux_kernel4.13
References (5)
Core 5
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://github.com/torvalds/linux/commit/6c85501f2fabcfc4fc6ed976543d252c4eaf4be9
Third Party Advisory x_refsource_misc
https://grsecurity.net/~spender/exploits/wait_for_kaslr_to_be_effective.c
Third Party Advisory x_refsource_misc
https://twitter.com/grsecurity/status/914079864478666753
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6c85501f2fabcfc4fc6ed976543d252c4eaf4be9
Third Party Advisory x_refsource_misc
https://twitter.com/_argp/status/914021130712870912
Scores
CVSS v3
5.5
EPSS
0.0097
EPSS Percentile
76.9%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-200
Status
published
Products (1)
linux/linux_kernel
< 4.13.4
Published
Oct 02, 2017
Tracked Since
Feb 18, 2026