CVE-2014-7841

Impact:
Important
Public Date:
2014-11-10
CWE:
CWE-476
Bugzilla:
1163087: CVE-2014-7841 kernel: net: sctp: NULL pointer dereference in af->from_addr_param on malformed packet
A flaw was found in the way the Linux kernel's SCTP implementation validated INIT chunks when performing Address Configuration Change (ASCONF). A remote attacker could use this flaw to crash the system by sending a specially crafted SCTP packet to trigger a NULL pointer dereference on the system.

Find out more about CVE-2014-7841 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5.

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

CVSS v2 metrics

Base Score 7.1
Base Metrics AV:N/AC:M/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete

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 7 (kernel) RHSA-2015:0102 2015-01-28
Red Hat Enterprise Linux Extended Update Support 6.4 (kernel) RHSA-2015:0285 2015-03-03
Red Hat Enterprise Linux 6 (kernel) RHSA-2015:0087 2015-01-27
Red Hat Enterprise Linux Extended Update Support 6.5 (kernel) RHSA-2015:0284 2015-03-03
Red Hat Enterprise Linux Advanced Update Support 6.2 (kernel) RHSA-2015:0695 2015-03-17

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Affected
Red Hat Enterprise Linux 5 kernel Not affected

Acknowledgements

This issue was discovered by Liu Wei of Red Hat.

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