CVE-2015-7872
Linux Kernel Keyctl Denial of Service Vulnerability
Description
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.
INFO
Published Date :
Nov. 16, 2015, 11:59 a.m.
Last Modified :
Nov. 21, 2024, 2:37 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
2.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2015-7872 has a 3 public PoC/Exploit
available at Github.
Go to the Public Exploits
tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2015-7872
.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Python
Simulate Deep Security's coverage for high urgency vulnerability reported by Vuls
Python
None
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2015-7872
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-7872
vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 13, 2023
Action Type Old Value New Value Changed Description It was found that the Linux kernel's keys subsystem did not correctly garbage collect uninstantiated keyrings. A local attacker could use this flaw to crash the system or, potentially, escalate their privileges on the system. 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. Removed CVSS V2 Red Hat, Inc. (AV:L/AC:L/Au:N/C:C/I:C/A:C) Removed Reference https://access.redhat.com/errata/RHSA-2015:2636 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2016:0185 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2016:0212 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2016:0224 [No Types Assigned] Removed Reference https://access.redhat.com/security/cve/CVE-2015-7872 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed Description 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. It was found that the Linux kernel's keys subsystem did not correctly garbage collect uninstantiated keyrings. A local attacker could use this flaw to crash the system or, potentially, escalate their privileges on the system. Added CVSS V2 Red Hat, Inc. (AV:L/AC:L/Au:N/C:C/I:C/A:C) Added Reference https://access.redhat.com/errata/RHSA-2015:2636 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2016:0185 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2016:0212 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2016:0224 [No Types Assigned] Added Reference https://access.redhat.com/security/cve/CVE-2015-7872 [No Types Assigned] -
CVE Modified by [email protected]
Jan. 20, 2017
Action Type Old Value New Value Added Reference https://source.android.com/security/bulletin/2016-12-01.html [No Types Assigned] -
CVE Modified by [email protected]
Dec. 07, 2016
Action Type Old Value New Value Added Reference http://www.ubuntu.com/usn/USN-2843-1 [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2824-1 [No Types Assigned] Added Reference http://www.debian.org/security/2015/dsa-3396 [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html [No Types Assigned] Added Reference http://rhn.redhat.com/errata/RHSA-2015-2636.html [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2843-2 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2823-1 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2826-1 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2829-1 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2840-2 [No Types Assigned] Added Reference http://www.securitytracker.com/id/1034472 [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2843-3 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2829-2 [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.html [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2840-1 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 06, 2016
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html [No Types Assigned] -
CVE Modified by [email protected]
Dec. 03, 2016
Action Type Old Value New Value Added Reference http://rhn.redhat.com/errata/RHSA-2016-0212.html [No Types Assigned] Added Reference http://rhn.redhat.com/errata/RHSA-2016-0185.html [No Types Assigned] Added Reference http://rhn.redhat.com/errata/RHSA-2016-0224.html [No Types Assigned] -
CVE Modified by [email protected]
Dec. 01, 2016
Action Type Old Value New Value Removed Reference https://h20565.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05068676 [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html [No Types Assigned] -
CVE Modified by [email protected]
Nov. 30, 2016
Action Type Old Value New Value Added Reference https://h20565.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05068676 [No Types Assigned] -
CVE Modified by [email protected]
Nov. 28, 2016
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/77544 [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html [No Types Assigned] -
CVE Modified by [email protected]
Oct. 15, 2016
Action Type Old Value New Value Added Reference http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html -
CVE Modified by [email protected]
Oct. 12, 2016
Action Type Old Value New Value Added Reference http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html -
CVE Modified by [email protected]
Aug. 20, 2016
Action Type Old Value New Value Added Reference http://marc.info/?l=bugtraq&m=145975164525836&w=2 -
CVE Modified by [email protected]
Aug. 17, 2016
Action Type Old Value New Value Added Reference https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05068676 -
Modified Analysis by [email protected]
Nov. 16, 2015
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:o:linux:linux_kernel:4.2.6:*:*:*:*:*:*:* (and previous) Added CVSS V2 (AV:L/AC:L/Au:N/C:N/I:N/A:P) Changed Reference Type https://github.com/torvalds/linux/commit/ce1fad2740c648a4340f6f6c391a8a83769d2e8c No Types Assigned https://github.com/torvalds/linux/commit/ce1fad2740c648a4340f6f6c391a8a83769d2e8c Advisory Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f05819df10d7b09f6d1eb6f8534a8f68e5a4fe61 No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f05819df10d7b09f6d1eb6f8534a8f68e5a4fe61 Advisory Added CWE CWE-20 -
Initial Analysis by [email protected]
Nov. 16, 2015
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-7872
is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2015-7872
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.00%
score
0.14046
percentile