CVE-2017-11176

Impact:
Moderate
Public Date:
2017-07-09
CWE:
CWE-416
Bugzilla:
1470659: CVE-2017-11176 kernel: Use-after-free in sys_mq_notify()
A use-after-free flaw was found in the Netlink functionality of the Linux kernel networking subsystem. Due to the insufficient cleanup in the mq_notify function, a local attacker could potentially use this flaw to escalate their privileges on the system.

Find out more about CVE-2017-11176 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5,6,7 and MRG-2. Future Linux kernel updates for the respective releases may address this issue.

CVSS v3 metrics

CVSS3 Base Score 7.8
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact High

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 6 (kernel) RHSA-2018:0169 2018-01-25
Red Hat Enterprise Linux for Real Time for NFV (v. 7) (kernel-rt) RHSA-2017:2931 2017-10-19
Red Hat Enterprise Linux 7 (kernel) RHSA-2017:2930 2017-10-19
Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2017:2918 2017-10-19

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Will not fix
Red Hat Enterprise Linux 7 kernel-alt Will not fix
Red Hat Enterprise Linux 5 kernel Will not fix

Last Modified
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