Bug 595579 (CVE-2010-1641)

Summary: CVE-2010-1641 kernel: GFS2: The setflags ioctl() doesn't check file ownership
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: low Docs Contact:
Priority: low    
Version: unspecifiedCC: dhoward, djorm, jpirko, lwang, plyons, swhiteho
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard: public=20100524,reported=20100524,source=researcher,impact=low,cvss2=2.1/AV:L/AC:L/Au:N/C:N/I:P/A:N
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2013-05-06 03:32:34 EDT Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---
Bug Depends On: 595395, 595399, 595580    
Bug Blocks:    

Description Eugene Teo (Security Response) 2010-05-25 00:31:27 EDT
Description of problem:
We should be checking for the ownership of the file for which flags are being set, rather than just for write access.

Upstream commit:
http://git.kernel.org/linus/7df0e0397b9a18358573274db9fdab991941062f

Acknowledgements:

Red Hat would like to thank Dan Rosenberg for responsibly reporting this issue.

Statement:

Red Hat is aware of this issue and is tracking it via the following bug:
https://bugzilla.redhat.com/CVE-2010-1641.

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 GFS2 file system.

A future kernel update in Red Hat Enterprise Linux 5 will address this issue.
Comment 4 errata-xmlrpc 2010-07-01 14:28:11 EDT
This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

Via RHSA-2010:0504 https://rhn.redhat.com/errata/RHSA-2010-0504.html