CVE-2017-14156 Information disclosure in n/a

What is CVE-2017-14156?

CVE-2017-14156 is a medium-severity vulnerability in Linux kernel, published on 5 Sep 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-200

Which versions are affected by CVE-2017-14156?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2017-14156?

Apply the vendor's patch.

Is CVE-2017-14156 being exploited?

There is no known exploitation of CVE-2017-14156 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2017-14156, GHSA-mxm3-6wfv-q9qg, UBUNTU-CVE-2017-14156.