|Bugzilla:||624923: CVE-2010-2943 kernel: xfs: validate inode numbers in file handles correctly|
The MITRE CVE dictionary describes this issue as:
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.
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. A future kernel update in Red Hat Enterprise
Linux 5 will address this issue.
CVSS v2 metrics
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Red Hat security errata
|Red Hat Enterprise Linux version 5 (kernel)||RHSA-2010:0723||September 29, 2010|
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For clarification or corrections please contact the Red Hat Security Response Team.