Bug 466707 - (CVE-2008-4554) CVE-2008-4554 kernel: don't allow splice() to files opened with O_APPEND
CVE-2008-4554 kernel: don't allow splice() to files opened with O_APPEND
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
high Severity high
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Assigned To: Red Hat Product Security
impact=important,public=20081009,sour...
: Security
Depends On: 466708 466709 466710
Blocks:
  Show dependency treegraph
 
Reported: 2008-10-13 02:02 EDT by Eugene Teo (Security Response)
Modified: 2010-12-21 12:47 EST (History)
7 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2010-12-21 12:47:56 EST
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RHEL 7.3 requirements from Atomic Host:


Attachments (Terms of Use)
Upstream patch for this issue (1.59 KB, patch)
2008-10-13 02:05 EDT, Eugene Teo (Security Response)
no flags Details | Diff
Proposed backport patch for realtime kernel (519 bytes, patch)
2008-10-13 03:26 EDT, Eugene Teo (Security Response)
no flags Details | Diff

  None (edit)
Description Eugene Teo (Security Response) 2008-10-13 02:02:22 EDT
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 02:05:27 EDT
Created attachment 320167 [details]
Upstream patch for this issue
Comment 4 Eugene Teo (Security Response) 2008-10-13 02:36:10 EDT
Reference:
http://article.gmane.org/gmane.comp.security.oss.general/1048
Comment 5 Eugene Teo (Security Response) 2008-10-13 03:26:14 EDT
Created attachment 320170 [details]
Proposed backport patch for realtime kernel
Comment 6 Luis Claudio R. Goncalves 2008-10-13 09:59:38 EDT
MRG: patch added to kernel -85
Comment 7 Fedora Update System 2008-10-23 12:37:58 EDT
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 12:47:56 EST
This was addressed via:

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

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