Published: 16/11/2015 Updated: 13/02/2023

CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9

VMScore: 188

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

The key_gc_unused_keys function in security/keys/gc.c in the Linux kernel up to and including 4.2.6 allows local users to cause a denial of service (OOPS) via crafted keyctl commands.

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Synopsis Important: kernel security and bug fix update Type/Severity Security Advisory: Important Topic Updated kernel packages that fix multiple security issues and several bugsare now available for Red Hat Enterprise Linux 6Red Hat Product Security has rated this update as having Important securityimpact ...

A denial of service vulnerability was discovered in the keyring function's garbage collector in the Linux kernel The flaw allowed any local user account to trigger a kernel panic (CVE-2015-7872) ...

Several security issues were fixed in the kernel ...

Several security issues were fixed in the kernel ...

Several security issues were fixed in the kernel ...

The system could be made to crash under certain conditions ...

Several security issues were fixed in the kernel ...

Several security issues were fixed in the kernel ...

The system could be made to crash under certain conditions ...

Several security issues were fixed in the kernel ...

Several security issues were fixed in the kernel ...

Several security issues were fixed in the kernel ...

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 ...

CWE-20 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce1fad2740c648a4340f6f6c391a8a83769d2e8c https://github.com/torvalds/linux/commit/ce1fad2740c648a4340f6f6c391a8a83769d2e8c https://github.com/torvalds/linux/commit/f05819df10d7b09f6d1eb6f8534a8f68e5a4fe61 https://bugzilla.redhat.com/show_bug.cgi?id=1272172 http://www.openwall.com/lists/oss-security/2015/10/20/6 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f05819df10d7b09f6d1eb6f8534a8f68e5a4fe61 https://bugzilla.redhat.com/show_bug.cgi?id=1272371 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05068676 http://marc.info/?l=bugtraq&m=145975164525836&w=2 http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html http://www.securityfocus.com/bid/77544 http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html http://rhn.redhat.com/errata/RHSA-2016-0212.html http://rhn.redhat.com/errata/RHSA-2016-0185.html http://rhn.redhat.com/errata/RHSA-2016-0224.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html http://www.ubuntu.com/usn/USN-2843-1 http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html http://www.ubuntu.com/usn/USN-2824-1 http://www.debian.org/security/2015/dsa-3396 http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html http://rhn.redhat.com/errata/RHSA-2015-2636.html http://www.ubuntu.com/usn/USN-2843-2 http://www.ubuntu.com/usn/USN-2823-1 http://www.ubuntu.com/usn/USN-2826-1 http://www.ubuntu.com/usn/USN-2829-1 http://www.ubuntu.com/usn/USN-2840-2 http://www.securitytracker.com/id/1034472 http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html http://www.ubuntu.com/usn/USN-2843-3 http://www.ubuntu.com/usn/USN-2829-2 http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.html http://www.ubuntu.com/usn/USN-2840-1 https://source.android.com/security/bulletin/2016-12-01.html https://access.redhat.com/errata/RHSA-2015:2636 https://nvd.nist.gov https://usn.ubuntu.com/2840-1/https://access.redhat.com/security/cve/cve-2015-7872 https://alas.aws.amazon.com/ALAS-2015-610.html

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