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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel Out-of-Bounds Memory Access Error in SCTP Lets Remote Users Deny Service or Obtain Potentially Sensitive Information
SecurityTracker Alert ID:  1037339
SecurityTracker URL:  http://securitytracker.com/id/1037339
CVE Reference:   CVE-2016-9555   (Links to External Site)
Date:  Nov 24 2016
Impact:   Denial of service via network, Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in the Linux kernel. A remote user can cause denial of service conditions on the target system. A remote user can obtain potentially sensitive information on the target system.

A remote user can send specially crafted data to trigger an out-of-bounds memory access error in sctp_sf_ootb() and obtain potentially sensitive information or cause denial of service conditions.

Andrey Konovalov reported this vulnerability.

Impact:   A remote user can cause denial of service conditions.

A remote user can obtain potentially sensitive information on the target system.

Solution:   The vendor has issued a source code fix, available at:

https://github.com/torvalds/linux/commit/bf911e985d6bbaa328c20c3e05f4eb03de11fdd6

Vendor URL:  www.kernel.org/ (Links to External Site)
Cause:   Access control error, Boundary error

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jan 19 2017 (CentOS Issues Fix) Linux Kernel Out-of-Bounds Memory Access Error in SCTP Lets Remote Users Deny Service or Obtain Potentially Sensitive Information
CentOS has issued a fix for CentOS 7.
Feb 3 2017 (Ubuntu Issues Fix) Linux Kernel Out-of-Bounds Memory Access Error in SCTP Lets Remote Users Deny Service or Obtain Potentially Sensitive Information
Ubuntu has issued a fix for Ubuntu Linux 12.04 LTS.
Feb 3 2017 (Ubuntu Issues Fix) Linux Kernel Out-of-Bounds Memory Access Error in SCTP Lets Remote Users Deny Service or Obtain Potentially Sensitive Information
Ubuntu has issued a fix for Ubuntu Linux 14.04 LTS.
Feb 23 2017 (Red Hat Issues Fix) Linux Kernel Out-of-Bounds Memory Access Error in SCTP Lets Remote Users Deny Service or Obtain Potentially Sensitive Information
Red Hat has issued a fix for Red Hat Enterprise Linux 6.
Feb 24 2017 (Oracle Issues Fix for Oracle Linux) Linux Kernel Out-of-Bounds Memory Access Error in SCTP Lets Remote Users Deny Service or Obtain Potentially Sensitive Information
Oracle has issued a fix for Oracle Linux 6.



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