CVE-2016-8650

Impact:
Moderate
Public Date:
2016-11-15
CWE:
CWE-476
Bugzilla:
1395187: CVE-2016-8650 kernel: Null pointer dereference via keyctl
A flaw was found in the Linux kernel key management subsystem in which a local attacker could crash the kernel or corrupt the stack and additional memory (denial of service) by supplying a specially crafted RSA key. This flaw panics the machine during the verification of the RSA key.

Find out more about CVE-2016-8650 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 6, 7, MRG-2 and realtime kernels.

This issue does not affect kernels that ship with Red Hat Enterprise Linux 5.

CVSS v2 metrics

Base Score 4.9
Base Metrics AV:L/AC:L/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete

CVSS v3 metrics

CVSS3 Base Score 8.8
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Changed
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 MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2017:0932 2017-04-12
Red Hat Enterprise Linux 7 (kernel) RHSA-2017:0933 2017-04-12
Red Hat Enterprise Linux 6 (kernel) RHSA-2018:1854 2018-06-19
Red Hat Enterprise Linux for Real Time for NFV (v. 7) (kernel-rt) RHSA-2017:0931 2017-04-12

Affected Packages State

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

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