What is CVE-2014-9903?

CVE-2014-9903 is a medium-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 5.5/10. Published 2016-06-27.

How severe is CVE-2014-9903?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Information disclosure in Linux Kernel

CVE-2014-9903

The sched_read_attr function in kernel/sched/core.c in the Linux kernel 3.14-rc before 3.14-rc4 uses an incorrect size, which allows local users to obtain sensitive information from kernel stack memory via a crafted sched_getattr system call.

Vulnerability class: Information Disclosure

Published 2016-06-27 · last modified 2026-06-17.

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 (27.9th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.9% 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

Linux Kernel — versions 3.14

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Vendor Advisory)
github.com/torvalds/linux/commit/4efbc454ba68def5ef285b26ebfcfdb605b52755 (Vendor Advisory)
www.securityfocus.com/bid/91511 (vdb-entry)

Frequently asked questions

What is CVE-2014-9903?: CVE-2014-9903 is a medium-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 5.5/10. Published 2016-06-27.
How severe is CVE-2014-9903?: Medium severity. CVSS v3 base score is 5.5 out of 10.