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.
References
Link | Resource |
---|---|
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6c85501f2fabcfc4fc6ed976543d252c4eaf4be9 | Issue Tracking Patch Third Party Advisory |
https://github.com/torvalds/linux/commit/6c85501f2fabcfc4fc6ed976543d252c4eaf4be9 | Issue Tracking Patch Third Party Advisory |
https://grsecurity.net/~spender/exploits/wait_for_kaslr_to_be_effective.c | Third Party Advisory |
https://twitter.com/_argp/status/914021130712870912 | Third Party Advisory |
https://twitter.com/grsecurity/status/914079864478666753 | Third Party Advisory |
Configurations
History
No history.
Information
Published : 2017-10-02 01:29
Updated : 2024-02-04 19:29
NVD link : CVE-2017-14954
Mitre link : CVE-2017-14954
CVE.ORG link : CVE-2017-14954
JSON object : View
Products Affected
linux
- linux_kernel
CWE
CWE-200
Exposure of Sensitive Information to an Unauthorized Actor