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.
Metrics
CVSS 2.0 4.4/10
AV:L/AC:M/Au:N/C:P/I:P/A:PWeakness enumeration
Affected software
No affected versions have been published.
Timeline
- Published
- May 14, 2009
- Last modified
- Jun 16, 2026
- NVD status
- Modified