CVE-2016-7117

Impact:
Important
Public Date:
2016-03-14
CWE:
CWE-416
Bugzilla:
1382268: CVE-2016-7117 kernel: Use-after-free in the recvmmsg exit path
A use-after-free vulnerability was found in the kernel's socket recvmmsg subsystem. This may allow remote attackers to corrupt memory and may allow execution of arbitrary code. This corruption takes place during the error handling routines within __sys_recvmmsg() function.

Find out more about CVE-2016-7117 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue affects the Linux kernels as shipped with Red Hat Enterprise Linux 5, 6, 7, MRG-2 and realtime and may be addressed in a future update.

CVSS v2 metrics

Base Score 7.6
Base Metrics AV:N/AC:H/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

CVSS v3 metrics

CVSS3 Base Score 8.1
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact High

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 5 (kernel) RHSA-2016:2962 2016-12-20
Red Hat Enterprise Linux Server TUS (v. 6.6) (kernel) RHSA-2017:0216 2017-01-31
Red Hat Enterprise Linux for Real Time for NFV (v. 7) (kernel-rt) RHSA-2017:0091 2017-01-17
Red Hat Enterprise Linux 7 (kernel) RHSA-2017:0086 2017-01-17
Red Hat Enterprise Linux 6 (kernel) RHSA-2017:0036 2017-01-10
Red Hat Enterprise Linux Advanced Update Support 6.5 (kernel) RHSA-2017:0065 2017-01-17
Red Hat Enterprise Linux Extended Update Support 7.1 (kernel) RHSA-2017:0270 2017-02-15
Red Hat Enterprise Linux Extended Update Support 6.7 (kernel) RHSA-2017:0031 2017-01-10
Red Hat Enterprise Linux Advanced Update Support 6.4 (kernel) RHSA-2017:0196 2017-01-26
Red Hat Enterprise Linux Server TUS (v. 6.5) (kernel) RHSA-2017:0065 2017-01-17
Red Hat Enterprise Linux Advanced Update Support 6.6 (kernel) RHSA-2017:0216 2017-01-31
MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2017:0113 2017-01-17
Red Hat Enterprise Linux Advanced Update Support 6.2 (kernel) RHSA-2017:0215 2017-01-31
Red Hat Enterprise Linux Extended Update Support 7.2 (kernel) RHSA-2017:0217 2017-01-31

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Affected

Last Modified