CVE-2017-14156

low-risk
Published 2017-09-05

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.

Do I need to act?

-
0.09% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (14)

http://www.debian.org/security/2017/dsa-3981
http://www.securityfocus.com/bid/100634
Issue Tracking https://github.com/torvalds/linux/pull/441
Mailing List https://marc.info/?l=linux-kernel&m=150401461613306&w=2
Mailing List https://marc.info/?l=linux-kernel&m=150453196710422&w=2
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
Issue Tracking https://github.com/torvalds/linux/pull/441
Mailing List https://marc.info/?l=linux-kernel&m=150401461613306&w=2
Mailing List https://marc.info/?l=linux-kernel&m=150453196710422&w=2
https://usn.ubuntu.com/3583-1/
https://usn.ubuntu.com/3583-2/
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal