CVE-2017-7495

Name: CVE-2017-7495
Creator: NVD / NIST
Published: 2017-05-15T18:29:00.373+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.40%

Last modified Jun 17, 2026

CVE-2017-7495 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

0.40%

32.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	<= 4.6.1

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06bd3c36a733ac27962fea7d6f47168841376824Issue Tracking, Patch, Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.2Release Notes, Vendor Advisory
http://www.openwall.com/lists/oss-security/2017/05/15/2Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/98491
https://bugzilla.redhat.com/show_bug.cgi?id=1450261Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/06bd3c36a733ac27962fea7d6f47168841376824Issue Tracking, Patch, Third Party Advisory
https://source.android.com/security/bulletin/2017-09-01
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06bd3c36a733ac27962fea7d6f47168841376824Issue Tracking, Patch, Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.2Release Notes, Vendor Advisory
http://www.openwall.com/lists/oss-security/2017/05/15/2Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/98491
https://bugzilla.redhat.com/show_bug.cgi?id=1450261Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/06bd3c36a733ac27962fea7d6f47168841376824Issue Tracking, Patch, Third Party Advisory
https://source.android.com/security/bulletin/2017-09-01

Timeline

Published: May 15, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-7495?

How severe is CVE-2017-7495?

Severity scoring for CVE-2017-7495 is pending analysis. The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2017-7495?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-7495?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST