What is CVE-2017-7495?

CVE-2017-7495 is a medium-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 5.5/10. Published 2017-05-15.

How severe is CVE-2017-7495?

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

Is CVE-2017-7495 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Linux Kernel

CVE-2017-7495

fs/ext4/inode.c in the Linux kernel before 4.6.2, when ext4 data=ordered mode is used, mishandles a needs-flushing-before-commit list, which allows local users to obtain sensitive information from other users' files in opportunistic circumstances by waiting for a hardware reset, creating a new file, making write system calls, and reading this file.

Vulnerability class: Information Disclosure

Published 2017-05-15 · 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 (32.4th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.4% 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
Linux Kernel Before 4.6.2 — versions Linux kernel before 4.6.2

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

thdusdl1219/CVE-Study

References

github.com/torvalds/linux/commit/06bd3c36a733ac27962fea7d6f47168841376824 (Patch, Third Party Advisory, Issue Tracking)
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.2 (Release Notes, Vendor Advisory)
source.android.com/security/bulletin/2017-09-01
www.securityfocus.com/bid/98491 (vdb-entry)
bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
www.openwall.com/lists/oss-security/2017/05/15/2 (Patch, Mailing List, Third Party Advisory)
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2017-7495?: CVE-2017-7495 is a medium-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 5.5/10. Published 2017-05-15.
How severe is CVE-2017-7495?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2017-7495 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.