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.
Published: 2016-02-08
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2015-8420 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.
Ubuntu USN Ubuntu USN USN-3798-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3798-2 Linux kernel (Trusty HWE) vulnerabilities
References
Link Providers
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=096fe9eaea40a17e125569f9e657e34cdb6d73bd cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00008.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00011.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2015/12/09/1 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2018:0151 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2018:0152 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2018:0181 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=1284450 cve-icon cve-icon
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=096fe9eaea40a17e125569f9e657e34cdb6d73bd cve-icon
https://github.com/torvalds/linux/commit/096fe9eaea40a17e125569f9e657e34cdb6d73bd cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2015-8539 cve-icon
https://usn.ubuntu.com/3798-1/ cve-icon cve-icon
https://usn.ubuntu.com/3798-2/ cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2015-8539 cve-icon
History

No history.

Subscriptions

Canonical Ubuntu Linux
Linux Linux Kernel
Redhat Enterprise Linux Enterprise Mrg Rhel Extras Rt
Suse Linux Enterprise Real Time Extension
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T08:20:42.590Z

Reserved: 2015-12-10T00:00:00.000Z

Link: CVE-2015-8539

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2016-02-08T03:59:03.903

Modified: 2026-05-06T22:30:45.220

Link: CVE-2015-8539

cve-icon Redhat

Severity : Important

Publid Date: 2015-12-09T00:00:00Z

Links: CVE-2015-8539 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses