What is CVE-2017-14156?

CVE-2017-14156 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Information Exposure flaw (CWE-200). CVE-2017-14156 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2017-14156?

CVE-2017-14156 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Is there a patch available for CVE-2017-14156?

No patch is currently available for CVE-2017-14156. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2017-14156 actively exploited?

CVE-2017-14156 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Information Exposure (CWE-200)?

The product exposes sensitive information to an actor not authorised to see it. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/200.html

CVE-2017-14156

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 information from kernel stack memory by reading locations associated with padding bytes.

Package Linux Kernel

Published 2017-09-05

Last modified 2026-05-13

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Vector string

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness type

CWE-200

CVE-2017-14156 is a Information Exposure vulnerability

What is Information Exposure?

The product exposes sensitive information to an actor not authorised to see it. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2017-14156 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
http://www.debian.org/security/2017/dsa-3981
Securityfocus
http://www.securityfocus.com/bid/100634
Ubuntu Security
https://usn.ubuntu.com/3583-1/
Ubuntu Security
https://usn.ubuntu.com/3583-2/
Kernel patch commit
https://github.com/torvalds/linux/pull/441
Patch
Kernel patch commit
https://marc.info/?l=linux-kernel&m=150401461613306&w=2
Patch
Kernel patch commit
https://marc.info/?l=linux-kernel&m=150453196710422&w=2
Patch

Details

CVE ID CVE-2017-14156

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.0

Published 2017-09-05

Modified 2026-05-13

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2017-14156?

CVE-2017-14156 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Information Exposure flaw (CWE-200) . CVE-2017-14156 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2017-14156?

CVE-2017-14156 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Is there a patch available for CVE-2017-14156?

No patch is currently available for CVE-2017-14156. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2017-14156 actively exploited?

No — CVE-2017-14156 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Information Exposure (CWE-200)?

The product exposes sensitive information to an actor not authorised to see it. View CWE-200 on MITRE CWE →