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CVE-2009-1630

Description

The nfs_permission function in fs/nfs/dir.c in the NFS client implementation in the Linux kernel 2.6.29.3 and earlier, when atomic_open is available, does not check execute (aka EXEC or MAY_EXEC) permission bits, which allows local users to bypass permissions and execute files, as demonstrated by files on an NFSv4 fileserver.


Affected Package


OS OS Version Package Name Package Version
ubuntu 08.04 linux 2.6.24-24.55
ubuntu 08.10 linux 2.6.27-14.35
ubuntu 09.04 linux 2.6.28-13.45
ubuntu upstream linux any
ubuntu upstream linux-source-2.6.15 any

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