The xfs implementation in the Linux kernel before 2.6.35 does...
Vulnerability Description
The xfs implementation in the Linux kernel before 2.6.35 does not look up inode allocation btrees before reading inode buffers, which allows remote authenticated users to read unlinked files, or read or overwrite disk blocks that are currently assigned to an active file but were previously assigned to an unlinked file, by accessing a stale NFS filehandle.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://article.gmane.org/gmane.comp.file-systems.xfs.general/33771
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7124fe0a5b619d65b739477b3b55a20bf805b06d
- http://www.securityfocus.com/bid/42527
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7b6259e7a83647948fa33a736cc832310c8d85aa
- http://www.redhat.com/support/errata/RHSA-2010-0723.html
- https://bugzilla.redhat.com/show_bug.cgi?id=624923
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- http://article.gmane.org/gmane.comp.file-systems.xfs.general/33768
- http://secunia.com/advisories/46397
- http://article.gmane.org/gmane.comp.file-systems.xfs.general/33769
- http://www.openwall.com/lists/oss-security/2010/08/18/2
- http://article.gmane.org/gmane.comp.file-systems.xfs.general/33767
- http://oss.sgi.com/archives/xfs/2010-06/msg00191.html
- http://www.ubuntu.com/usn/USN-1041-1
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35
- http://oss.sgi.com/archives/xfs/2010-06/msg00198.html
- http://www.vupen.com/english/advisories/2011/0280
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- http://secunia.com/advisories/42758
- http://support.avaya.com/css/P8/documents/100113326
- http://www.ubuntu.com/usn/USN-1057-1
- http://www.openwall.com/lists/oss-security/2010/08/19/5
- http://www.vupen.com/english/advisories/2011/0070
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1920779e67cbf5ea8afef317777c5bf2b8096188
- http://secunia.com/advisories/43161
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