CVE-2017-14156

Description

The atyfb_ioctl function in drivers/video/fbdev/aty/atyfb_base.c in the Linux kernel through 4.12.10 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory by reading locations associated with padding bytes.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.03%
Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://marc.info/?l=linux-kernel&m=150453196710422&w=2 mailing list third party advisory patch
https://usn.ubuntu.com/3583-2/ vendor advisory
http://www.debian.org/security/2017/dsa-3981 vendor advisory
https://github.com/torvalds/linux/pull/441 issue tracking third party advisory patch
https://usn.ubuntu.com/3583-1/ vendor advisory
http://www.securityfocus.com/bid/100634 vdb entry
https://marc.info/?l=linux-kernel&m=150401461613306&w=2 mailing list third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2017-14156?
CVE-2017-14156 has been scored as a medium severity vulnerability.
How to fix CVE-2017-14156?
To fix CVE-2017-14156, 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-2017-14156 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-14156 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.