CVE-2017-14954

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.97% Top 25%
Third-Party Advisory kernel.org Third-Party Advisory github.com Third-Party Advisory grsecurity.net Third-Party Advisory twitter.com Third-Party Advisory twitter.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/torvalds/linux/commit/6c85501f2fabcfc4fc6ed976543d252c4eaf4be9 issue tracking third party advisory patch
https://grsecurity.net/~spender/exploits/wait_for_kaslr_to_be_effective.c third party advisory
https://twitter.com/grsecurity/status/914079864478666753 third party advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6c85501f2fabcfc4fc6ed976543d252c4eaf4be9 issue tracking third party advisory patch
https://twitter.com/_argp/status/914021130712870912 third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-14954?
CVE-2017-14954 has been scored as a medium severity vulnerability.
How to fix CVE-2017-14954?
To fix CVE-2017-14954, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-14954 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-14954 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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