CVE-2016-6828

Impact:
Moderate
Public Date:
2016-08-15
CWE:
CWE-416
Bugzilla:
1367091: CVE-2016-6828 kernel: Use after free in tcp_xmit_retransmit_queue
A use-after-free vulnerability was found in tcp_xmit_retransmit_queue and other tcp_* functions. This condition could allow an attacker to send an incorrect selective acknowledgment to existing connections, possibly resetting a connection.

Find out more about CVE-2016-6828 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 3.6
Base Metrics AV:L/AC:L/Au:N/C:N/I:P/A:P
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact Partial

CVSS v3 metrics

CVSS3 Base Score 4.4
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact Low
Availability Impact Low

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

Red Hat Security Errata

Platform Errata Release Date
MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2017:0113 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 for Real Time for NFV (v. 7) (kernel-rt) RHSA-2017:0091 2017-01-17

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Affected
Red Hat Enterprise Linux 5 kernel Affected

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