Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2015-8539

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.

Published

2016-02-08T03:59:03.903

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-269

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	canonical	ubuntu_linux	12.04	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	suse	linux_enterprise_real_time_extension	12	Yes
Operating System	linux	linux_kernel	< 4.4	Yes
Operating System	linux	linux_kernel	4.4	Yes
Operating System	linux	linux_kernel	4.4	Yes

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=096fe9eaea40a17e125569f9e657e34cdb6d73bd Vendor Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00008.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00011.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2015/12/09/1 Issue Tracking, Mailing List, Patch, Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2018:0151 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2018:0152 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2018:0181 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1284450 Issue Tracking, Third Party Advisory ([email protected])
https://github.com/torvalds/linux/commit/096fe9eaea40a17e125569f9e657e34cdb6d73bd Issue Tracking, Patch, Vendor Advisory ([email protected])
https://usn.ubuntu.com/3798-1/ Third Party Advisory ([email protected])
https://usn.ubuntu.com/3798-2/ Third Party Advisory ([email protected])
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=096fe9eaea40a17e125569f9e657e34cdb6d73bd Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00008.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00011.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2015/12/09/1 Issue Tracking, Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:0151 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:0152 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:0181 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1284450 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/torvalds/linux/commit/096fe9eaea40a17e125569f9e657e34cdb6d73bd Issue Tracking, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3798-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3798-2/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)