CVE-2016-4805

Impact:
Low
Public Date:
2016-03-16
CWE:
CWE-416
Bugzilla:
1335803: CVE-2016-4805 kernel: Use after free vulnerability in ppp_unregister_channel

The MITRE CVE dictionary describes this issue as:

Use-after-free vulnerability in drivers/net/ppp/ppp_generic.c in the Linux kernel before 4.5.2 allows local users to cause a denial of service (memory corruption and system crash, or spinlock) or possibly have unspecified other impact by removing a network namespace, related to the ppp_register_net_channel and ppp_unregister_channel functions.

Find out more about CVE-2016-4805 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue affects the Linux kernels as shipped with Red Hat Enterprise Linux 6, 7 realtime and MRG-2 kernels and does not plan to be addressed in a future update

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 1.9
Base Metrics AV:L/AC:M/Au:N/C:N/I:N/A:P
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

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

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Will not fix
Red Hat Enterprise Linux 7 kernel Will not fix
Red Hat Enterprise Linux 7 kernel-rt Will not fix
Red Hat Enterprise Linux 6 kernel Will not fix
Red Hat Enterprise Linux 5 kernel Not affected
Red Hat Enterprise Linux 4 kernel Not affected

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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