What is CVE-2015-7872?

CVE-2015-7872 is a Low severity Linux kernel vulnerability with a CVSS score of 2.1 out of 10, classified as a Improper Input Validation flaw (CWE-20). CVE-2015-7872 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2015-7872?

CVE-2015-7872 has a CVSS score of 2.1 out of 10, rated Low severity. The vector string is AV:L/AC:L/Au:N/C:N/I:N/A:P.

Is there a patch available for CVE-2015-7872?

No patch is currently available for CVE-2015-7872. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2015-7872 actively exploited?

CVE-2015-7872 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2015-7872

Low

The key_gc_unused_keys function in security/keys/gc.c in the Linux kernel through 4.2.6 allows local users to cause a denial of service (OOPS) via crafted keyctl commands.

Package Linux Kernel

Published 2015-11-16

Last modified 2026-05-06

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

2.1

out of 10

Low

Attack Vector

Local

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

None

Availability

Vector string

AV:L/AC:L/Au:N/C:N/I:N/A:P

Weakness type

CWE-20

CVE-2015-7872 is a Improper Input Validation vulnerability

What is Improper Input Validation?

The product receives input but does not validate it correctly, allowing attackers to craft inputs that cause unexpected behavior. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2015-7872 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html
Lists
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html
Lists
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.html
Lists
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html
Lists
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.html
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.html
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.html
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.html
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.html
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
Marc
http://marc.info/?l=bugtraq&m=145975164525836&w=2
Red Hat
http://rhn.redhat.com/errata/RHSA-2015-2636.html
Red Hat
http://rhn.redhat.com/errata/RHSA-2016-0185.html
Red Hat
http://rhn.redhat.com/errata/RHSA-2016-0212.html
Red Hat
http://rhn.redhat.com/errata/RHSA-2016-0224.html
Debian Security
http://www.debian.org/security/2015/dsa-3396
Openwall
http://www.openwall.com/lists/oss-security/2015/10/20/6
Oracle
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
Oracle
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
Securityfocus
http://www.securityfocus.com/bid/77544
Securitytracker
http://www.securitytracker.com/id/1034472
Ubuntu Security
http://www.ubuntu.com/usn/USN-2823-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-2824-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-2826-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-2829-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-2829-2
Ubuntu Security
http://www.ubuntu.com/usn/USN-2840-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-2840-2
Ubuntu Security
http://www.ubuntu.com/usn/USN-2843-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-2843-2
Ubuntu Security
http://www.ubuntu.com/usn/USN-2843-3
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=1272172
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=1272371
H20566
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05068676
Source
https://source.android.com/security/bulletin/2016-12-01.html
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce1fad2740c648a4340f6f6c391a8a83769d2e8c
Patch
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f05819df10d7b09f6d1eb6f8534a8f68e5a4fe61
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/ce1fad2740c648a4340f6f6c391a8a83769d2e8c
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2015-7872

Severity Low

CVSS score 2.1 / 10

CVSS version 2.0

Published 2015-11-16

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2015-7872?

CVE-2015-7872 is a Low severity Linux kernel vulnerability with a CVSS score of 2.1 out of 10 , classified as an Improper Input Validation flaw (CWE-20) . CVE-2015-7872 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2015-7872?

CVE-2015-7872 has a CVSS score of 2.1 out of 10, rated Low severity (CVSS 2.0). The vector string is AV:L/AC:L/Au:N/C:N/I:N/A:P.
Is there a patch available for CVE-2015-7872?

No patch is currently available for CVE-2015-7872. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2015-7872 actively exploited?

No — CVE-2015-7872 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Improper Input Validation (CWE-20)?

The product receives input but does not validate it correctly, allowing attackers to craft inputs that cause unexpected behavior. View CWE-20 on MITRE CWE →