Bug 466707 (CVE-2008-4554)

Summary: CVE-2008-4554 kernel: don't allow splice() to files opened with O_APPEND
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: high Docs Contact:
Priority: high    
Version: unspecifiedCC: bhu, dhoward, jpirko, lgoncalv, lwang, pstyles, williams
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
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Clone Of: Environment:
Last Closed: 2010-12-21 17:47:56 UTC Type: ---
Regression: --- Mount Type: ---
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Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 466708, 466709, 466710    
Bug Blocks:    
Attachments:
Description Flags
Upstream patch for this issue
none
Proposed backport patch for realtime kernel none

Description Eugene Teo (Security Response) 2008-10-13 06:02:22 UTC
Description of problem:
Miklos Szeredi reported that splice() to files opened with O_APPEND are ignored, which allows users to bypass the append-only restriction.

Comment 2 Eugene Teo (Security Response) 2008-10-13 06:05:27 UTC
Created attachment 320167 [details]
Upstream patch for this issue

Comment 4 Eugene Teo (Security Response) 2008-10-13 06:36:10 UTC
Reference:
http://article.gmane.org/gmane.comp.security.oss.general/1048

Comment 5 Eugene Teo (Security Response) 2008-10-13 07:26:14 UTC
Created attachment 320170 [details]
Proposed backport patch for realtime kernel

Comment 6 Luis Claudio R. Goncalves 2008-10-13 13:59:38 UTC
MRG: patch added to kernel -85

Comment 7 Fedora Update System 2008-10-23 16:37:58 UTC
kernel-2.6.26.6-49.fc8 has been pushed to the Fedora 8 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 11 Vincent Danen 2010-12-21 17:47:56 UTC
This was addressed via:

Red Hat Enterprise Linux version 5 (RHSA-2008:1017)
MRG Realtime for RHEL 5 Server (RHSA-2009:0009)