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Status published
High
CVE-2015-8539
The KEYS subsystem in the Linux kernel before 4.4 allows...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1284450
- https://access.redhat.com/errata/RHSA-2018:0181
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.html
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=096fe9eaea40a17e125569f9e657e34cdb6d73bd
- https://github.com/torvalds/linux/commit/096fe9eaea40a17e125569f9e657e34cdb6d73bd
- http://www.openwall.com/lists/oss-security/2015/12/09/1
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html
- https://access.redhat.com/errata/RHSA-2018:0152
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00011.html
- https://access.redhat.com/errata/RHSA-2018:0151
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.html
- https://usn.ubuntu.com/3798-1/
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00008.html
- https://usn.ubuntu.com/3798-2/
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
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Affected Vendor
canonical
View all reports →Affected Software
ubuntu linux, linux enterprise real time extension, linux kernel
Vulnerable Versions:
12.04, 14.04, 12, 0, 4.4
Timeline
Official Publish:
February 8th, 2016
Last Modified:
August 6th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.