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CVE-2016-4997

Good to know:

Date: July 3, 2016

The compat IPT_SO_SET_REPLACE and IP6T_SO_SET_REPLACE setsockopt implementations in the netfilter subsystem in the Linux kernel before 4.6.3 allow local users to gain privileges or cause a denial of service (memory corruption) by leveraging in-container root access to provide a crafted offset value that triggers an unintended decrement.

Language: C

Severity Score

7.8

Related Resources (47)

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

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

Url: http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00054.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00051.html

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

Url: https://access.redhat.com/security/cve/CVE-2016-4997

Url: http://www.securityfocus.com/bid/91451

Url: http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html

Url: https://www.exploit-db.com/exploits/40489/

Url: https://www.exploit-db.com/exploits/40435/

Url: http://www.ubuntu.com/usn/USN-3020-1

Url: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce683e5f9d045e5d67d1312a42b359cb2ab2a13c

Url: http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00061.html

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-4997

Url: http://www.securitytracker.com/id/1036171

Url: http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.3

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

Url: http://www.ubuntu.com/usn/USN-3017-1

Url: http://www.ubuntu.com/usn/USN-3016-2

Url: http://www.ubuntu.com/usn/USN-3016-1

Url: http://rhn.redhat.com/errata/RHSA-2016-1883.html

Url: http://www.openwall.com/lists/oss-security/2016/06/24/5

Url: http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00050.html

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1349722

Url: http://rhn.redhat.com/errata/RHSA-2016-1847.html

Url: http://rhn.redhat.com/errata/RHSA-2016-1875.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00053.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html

Url: http://www.openwall.com/lists/oss-security/2016/09/29/10

Url: http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00048.html

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05347541

Url: https://github.com/torvalds/linux/commit/ce683e5f9d045e5d67d1312a42b359cb2ab2a13c

Url: http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00052.html

Url: https://github.com/nccgroup/TriforceLinuxSyscallFuzzer/tree/master/crash_reports/report_compatIpt

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

Url: http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00060.html

Url: http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2016-4997

Url: http://www.ubuntu.com/usn/USN-3017-3

Url: http://www.ubuntu.com/usn/USN-3018-2

Url: http://www.ubuntu.com/usn/USN-3019-1

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

Url: http://www.ubuntu.com/usn/USN-3016-4

Url: http://www.ubuntu.com/usn/USN-3017-2

Url: http://www.ubuntu.com/usn/USN-3018-1

Url: http://www.ubuntu.com/usn/USN-3016-3

Url: https://www.mend.io/vulnerability-database/CVE-2016-4997

Severity Score

7.8

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

Top Fix

Upgrade Version

Upgrade to version 4.6.3

Learn More

CVSS v3.1

Base Score:	7.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	7.2
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

Mend.io Vulnerability Database

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CVE-2016-4997

Good to know:

Date: July 3, 2016

Language: C

Severity Score

Related Resources (47)

Severity Score

Weakness Type (CWE)

Top Fix

Upgrade Version

CVSS v3.1

CVSS v2

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