Information disclosure in Linux Kernel
CVE-2017-14156
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (30.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- marc.info/ (Patch, Mailing List, Third Party Advisory)
- usn.ubuntu.com/3583-2/ (vendor-advisory)
- www.debian.org/security/2017/dsa-3981 (vendor-advisory)
- github.com/torvalds/linux/pull/441 (Patch, Third Party Advisory, Issue Tracking)
- usn.ubuntu.com/3583-1/ (vendor-advisory)
- www.securityfocus.com/bid/100634 (vdb-entry)
- marc.info/ (Patch, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-14156?
- CVE-2017-14156 is a medium-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 5.5/10. Published 2017-09-05.
- How severe is CVE-2017-14156?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2017-14156 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.