Bug 630804 (CVE-2010-3078)

Summary: CVE-2010-3078 kernel: xfs: XFS_IOC_FSGETXATTR ioctl memory leak
Product: [Other] Security Response Reporter: Eugene Teo (Security Response) <eteo>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: arozansk, davej, dhoward, fhrbata, jpirko, kmcmartin, lwang, plyons, tcallawa, vdanen
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
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Clone Of: Environment:
Last Closed: 2013-03-15 04:02:52 UTC Type: ---
Regression: --- Mount Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 630806, 630807, 630808, 630809    
Bug Blocks:    

Description Eugene Teo (Security Response) 2010-09-07 03:15:50 UTC 
Description of problem:
The XFS_IOC_FSGETXATTR ioctl allows unprivileged users to read 12 bytes of uninitialized stack memory, because the fsxattr struct declared on the stack in xfs_ioc_fsgetxattr() does not alter (or zero) the 12-byte fsx_pad member before copying it back to the user.

http://www.linux.sgi.com/archives/xfs-masters/2010-09/msg00002.html

Acknowledgements:

Red Hat would like to thank Dan Rosenberg for reporting this issue.
Comment 3 Eugene Teo (Security Response) 2010-09-13 05:52:22 UTC 
Patch:
http://groups.google.com/group/linux.kernel/browse_thread/thread/d91e3a963e760a62/6e2a940395ed2911?show_docid=6e2a940395ed2911
Comment 4 errata-xmlrpc 2010-11-09 18:06:30 UTC 
This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

Via RHSA-2010:0839 https://rhn.redhat.com/errata/RHSA-2010-0839.html
Comment 5 Vincent Danen 2010-11-09 18:45:40 UTC 
Statement:

This issue did not affect the version of Linux kernel as shipped with Red Hat
Enterprise Linux 3, 4, and Red Hat Enterprise MRG as they did not include
support for the XFS file system.  This issue was addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2010-0839.html
Comment 6 errata-xmlrpc 2011-01-11 19:45:33 UTC 
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2011:0007 https://rhn.redhat.com/errata/RHSA-2011-0007.html