CVE-2015-5706

Name: CVE-2015-5706
Creator: NVD / NIST
Published: 2015-08-31T10:59:16.08+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.44%

Last modified Jun 17, 2026

CVE-2015-5706 is a vulnerability of currently unknown severity. Use-after-free vulnerability in the path_openat function in fs/namei.c in the Linux kernel 3.x and 4.x before 4.0.4 allows local users to cause a denial of service or possibly have unspecified other impact via O_TMPFILE filesystem operations that leverage a duplicate cleanup operation.. EPSS estimates a 0.44% chance of exploitation in the next 30 days.

Description

Use-after-free vulnerability in the path_openat function in fs/namei.c in the Linux kernel 3.x and 4.x before 4.0.4 allows local users to cause a denial of service or possibly have unspecified other impact via O_TMPFILE filesystem operations that leverage a duplicate cleanup operation.

Metrics

EPSS Probability

0.44%

34.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	>= 3.0, <= 3.19.8
Linux	Linux Kernel	>= 4.0, < 4.0.4
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Debian	Debian Linux	7.0
Debian	Debian Linux	8.0

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f15133df088ecadd141ea1907f2c96df67c729f0Patch, Vendor Advisory
http://twitter.com/grsecurity/statuses/597127122910490624Broken Link
http://www.debian.org/security/2015/dsa-3329Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.4Release Notes, Vendor Advisory
http://www.openwall.com/lists/oss-security/2015/08/01/5Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/76142Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2680-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2681-1Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1250047Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/f15133df088ecadd141ea1907f2c96df67c729f0Patch, Third Party Advisory
https://source.android.com/security/bulletin/2017-01-01.htmlPatch, Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f15133df088ecadd141ea1907f2c96df67c729f0Patch, Vendor Advisory
http://twitter.com/grsecurity/statuses/597127122910490624Broken Link
http://www.debian.org/security/2015/dsa-3329Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.4Release Notes, Vendor Advisory
http://www.openwall.com/lists/oss-security/2015/08/01/5Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/76142Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2680-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2681-1Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1250047Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/f15133df088ecadd141ea1907f2c96df67c729f0Patch, Third Party Advisory
https://source.android.com/security/bulletin/2017-01-01.htmlPatch, Third Party Advisory

Timeline

Published: Aug 31, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-5706?

How severe is CVE-2015-5706?

Severity scoring for CVE-2015-5706 is pending analysis. The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.

How do I fix CVE-2015-5706?

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-2015-5706?

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

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Source: NVD / NIST