Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.12.10 |
Related Weaknesses (CWE)
References
- http://www.debian.org/security/2017/dsa-3981
- http://www.securityfocus.com/bid/100634
- https://github.com/torvalds/linux/pull/441Issue TrackingPatchThird Party Advisory
- https://marc.info/?l=linux-kernel&m=150401461613306&w=2Mailing ListPatchThird Party Advisory
- https://marc.info/?l=linux-kernel&m=150453196710422&w=2Mailing ListPatchThird Party Advisory
- https://usn.ubuntu.com/3583-1/
- https://usn.ubuntu.com/3583-2/
- http://www.debian.org/security/2017/dsa-3981
- http://www.securityfocus.com/bid/100634
- https://github.com/torvalds/linux/pull/441Issue TrackingPatchThird Party Advisory
- https://marc.info/?l=linux-kernel&m=150401461613306&w=2Mailing ListPatchThird Party Advisory
- https://marc.info/?l=linux-kernel&m=150453196710422&w=2Mailing ListPatchThird Party Advisory
- https://usn.ubuntu.com/3583-1/
- https://usn.ubuntu.com/3583-2/
FAQ
What is CVE-2017-14156?
CVE-2017-14156 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 informat...
How severe is CVE-2017-14156?
CVE-2017-14156 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-14156?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.