CVE-2016-4470 · threatengine.sh

Home/CVE/The key_reject_and_link function in security/keys/key.c in the Linux kernel through 4.6.3 does not ensure that a certain

CVE

CVE-2016-4470

The key_reject_and_link function in security/keys/key.c in the Linux kernel through 4.6.3 does not ensure that a certain

The key_reject_and_link function in security/keys/key.c in the Linux kernel through 4.6.3 does not ensure that a certain data structure is initialized, which allows local users to cause a denial of service (system crash) via vectors involving a crafted keyctl request2 command.

MEDIUM · CVSS 5.5 EPSS 0.00055

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules8 YARA rules0

▤

Affected Products & Versions

14

oracle vm serverall versions
oracle linuxall versions
linux kernel<= 4.6.3
novell suse linux enterprise real time extensionall versions
redhat enterprise linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux for real timeall versions
redhat enterprise linux hpc nodeall versions
Show all 14 affected productsredhat enterprise linux hpc node eusall versions
redhat enterprise linux serverall versions
redhat enterprise linux server ausall versions
redhat enterprise linux server eusall versions
redhat enterprise linux workstationall versions
redhat enterprise mrgall versions

◈

Sigma Hunt Rules

8

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

productcriticalLinux Reverse Shell Indicator

producthighCommunication To LocaltoNet Tunneling Service Initiated - Linux

producthighPotentially Suspicious Malware Callback Communication - Linux

producthighLinux Crypto Mining Pool Connections

producthighCommunication To Ngrok Tunneling Service - Linux

producthighLinux Crypto Mining Indicators

Show all 8 top matches

producthighShell Execution GCC - Linux

producthighShell Execution via Rsync - Linux

See all related Sigma rules for this CVE

▣

Scoring & Timeline

5.5

MEDIUM · CVSS v3.0 · secalert@redhat.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD27 Jun 2016 · 10:59 AM

CVSS VectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

⚑

Vendor Advisories

30

suse-csafopenSUSE-SU-2024:10128-1
suse-csafSUSE-SU-2017:0471-1
suse-csafSUSE-SU-2017:0333-1
rhsaRHSA-2016:2133Important
rhsaRHSA-2016:2128Important
Show all 30 vendor advisoriessuse-csafSUSE-SU-2016:2245-1
android-securityANDROID-2016-09-01High
suse-csafSUSE-SU-2016:2105-1
usnUSN-3057-1
usnUSN-3056-1
usnUSN-3055-1
usnUSN-3054-1
usnUSN-3053-1
usnUSN-3052-1
usnUSN-3051-1
usnUSN-3050-1
usnUSN-3049-1
suse-csafSUSE-SU-2016:1994-1
suse-csafSUSE-SU-2016:1995-1
suse-csafSUSE-SU-2016:1998-1
suse-csafSUSE-SU-2016:1999-1
suse-csafSUSE-SU-2016:2000-1
suse-csafSUSE-SU-2016:2001-1
suse-csafSUSE-SU-2016:2002-1
suse-csafSUSE-SU-2016:2003-1
suse-csafSUSE-SU-2016:2005-1
suse-csafSUSE-SU-2016:2006-1
suse-csafSUSE-SU-2016:2007-1
suse-csafSUSE-SU-2016:2009-1
suse-csafSUSE-SU-2016:2010-1

🔗

References & Sources

48

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=38327424b40bcebe2de92d07312c89360ac9229aVendor Advisory

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.htmlThird Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.html

Show all 48 references

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00012.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00013.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00014.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00015.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00016.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00017.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00019.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00020.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00022.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00023.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00026.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00027.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html

http://rhn.redhat.com/errata/RHSA-2016-1532.htmlThird Party Advisory

http://rhn.redhat.com/errata/RHSA-2016-1539.htmlThird Party Advisory

http://rhn.redhat.com/errata/RHSA-2016-1541.htmlThird Party Advisory

http://rhn.redhat.com/errata/RHSA-2016-1657.html

http://rhn.redhat.com/errata/RHSA-2016-2006.html

http://rhn.redhat.com/errata/RHSA-2016-2074.html

http://rhn.redhat.com/errata/RHSA-2016-2076.html

http://rhn.redhat.com/errata/RHSA-2016-2128.html

http://rhn.redhat.com/errata/RHSA-2016-2133.html

http://www.debian.org/security/2016/dsa-3607

http://www.openwall.com/lists/oss-security/2016/06/15/11

http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory

http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html

http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlVendor Advisory

http://www.securitytracker.com/id/1036763

http://www.ubuntu.com/usn/USN-3049-1

http://www.ubuntu.com/usn/USN-3050-1

http://www.ubuntu.com/usn/USN-3051-1

http://www.ubuntu.com/usn/USN-3052-1

http://www.ubuntu.com/usn/USN-3053-1

http://www.ubuntu.com/usn/USN-3054-1

http://www.ubuntu.com/usn/USN-3055-1

http://www.ubuntu.com/usn/USN-3056-1

http://www.ubuntu.com/usn/USN-3057-1

https://bugzilla.redhat.com/show_bug.cgi?id=1341716Issue TrackingThird Party AdvisoryVDB Entry

https://github.com/torvalds/linux/commit/38327424b40bcebe2de92d07312c89360ac9229aVendor Advisory

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