CVE-2015-8539
Linux KEYS Privilege Escalation Denial of Service
Description
The KEYS subsystem in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (BUG) via crafted keyctl commands that negatively instantiate a key, related to security/keys/encrypted-keys/encrypted.c, security/keys/trusted.c, and security/keys/user_defined.c.
INFO
Published Date :
Feb. 8, 2016, 3:59 a.m.
Last Modified :
Jan. 31, 2022, 5:51 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2015-8539 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2015-8539
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
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-2015-8539.
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
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2015-8539 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-8539 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 -
Modified Analysis by [email protected]
Jan. 31, 2022
Action Type Old Value New Value Removed CVSS V3 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00008.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00008.html Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00011.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00011.html Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.html Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.html Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.html Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.html Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.html Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2015/12/09/1 No Types Assigned http://www.openwall.com/lists/oss-security/2015/12/09/1 Issue Tracking, Mailing List, Patch, Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2018:0151 No Types Assigned https://access.redhat.com/errata/RHSA-2018:0151 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2018:0152 No Types Assigned https://access.redhat.com/errata/RHSA-2018:0152 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2018:0181 No Types Assigned https://access.redhat.com/errata/RHSA-2018:0181 Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1284450 Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1284450 Issue Tracking, Third Party Advisory Changed Reference Type https://github.com/torvalds/linux/commit/096fe9eaea40a17e125569f9e657e34cdb6d73bd No Types Assigned https://github.com/torvalds/linux/commit/096fe9eaea40a17e125569f9e657e34cdb6d73bd Issue Tracking, Patch, Vendor Advisory Changed Reference Type https://usn.ubuntu.com/3798-1/ No Types Assigned https://usn.ubuntu.com/3798-1/ Third Party Advisory Changed Reference Type https://usn.ubuntu.com/3798-2/ No Types Assigned https://usn.ubuntu.com/3798-2/ Third Party Advisory Removed CWE NIST CWE-264 Added CWE NIST CWE-269 Changed CPE Configuration OR *cpe:2.3:o:novell:suse_linux_enterprise_real_time_extension:12:sp1:*:*:*:*:*:* OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* *cpe:2.3:o:suse:linux_enterprise_real_time_extension:12:sp1:*:*:*:*:*:* Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:rc8:*:*:*:*:*:* versions up to (including) 4.4 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.4 *cpe:2.3:o:linux:linux_kernel:4.4:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:4.4:rc2:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 30, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3798-1/ [No Types Assigned] -
CVE Modified by [email protected]
Oct. 23, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3798-2/ [No Types Assigned] -
CVE Modified by [email protected]
Jan. 27, 2018
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2018:0181 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2018:0152 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2018:0151 [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/msg00017.html [No Types Assigned] 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/msg00020.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/msg00008.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/msg00011.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/msg00018.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html [No Types Assigned] -
CVE Modified by [email protected]
Dec. 03, 2016
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html [No Types Assigned] -
CVE Modified by [email protected]
Nov. 28, 2016
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html [No Types Assigned] -
Modified Analysis by [email protected]
Aug. 12, 2016
Action Type Old Value New Value Changed CPE Configuration Configuration 1 OR *cpe:2.3:o:linux:linux_kernel:4.4:rc8:*:*:*:*:*:* (and previous) Configuration 1 OR *cpe:2.3:o:novell:suse_linux_enterprise_real_time_extension:12:sp1:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:o:linux:linux_kernel:4.4:rc8:*:*:*:*:*:* (and previous) Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1284450 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1284450 Issue Tracking Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html Third Party Advisory -
CVE Modified by [email protected]
Aug. 12, 2016
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html -
Modified Analysis by [email protected]
Mar. 01, 2016
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:o:linux:linux_kernel:4.4:rc8:*:*:*:*:*:* (and previous) Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=096fe9eaea40a17e125569f9e657e34cdb6d73bd No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=096fe9eaea40a17e125569f9e657e34cdb6d73bd Advisory Added CWE CWE-264 -
Initial Analysis by [email protected]
Mar. 01, 2016
Action Type Old Value New Value -
Initial Analysis by [email protected]
Feb. 25, 2016
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-2015-8539 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-2015-8539
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.08236
percentile