CVE-2017-7495

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.05%
Vendor Advisory kernel.org
Affected: n/a Linux kernel before 4.6.2
Published at:
Updated at:

References

Link Tags
https://github.com/torvalds/linux/commit/06bd3c36a733ac27962fea7d6f47168841376824 issue tracking third party advisory patch
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.2 release notes vendor advisory
https://source.android.com/security/bulletin/2017-09-01
http://www.securityfocus.com/bid/98491 vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=1450261 issue tracking third party advisory patch
http://www.openwall.com/lists/oss-security/2017/05/15/2 mailing list third party advisory patch
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06bd3c36a733ac27962fea7d6f47168841376824 issue tracking third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2017-7495?
CVE-2017-7495 has been scored as a medium severity vulnerability.
How to fix CVE-2017-7495?
To fix CVE-2017-7495, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-7495 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-7495 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-7495?
CVE-2017-7495 affects n/a Linux kernel before 4.6.2.
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