CVE-2009-1630

CVE Details

Release Date:2009-05-14
Impact:Moderate What is this?

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.

See more information about CVE-2009-1630 from MITRE CVE dictionary and NIST NVD


NOTE: The following CVSS metrics and score provided are preliminary and subject to review.


CVSS v2 metrics

Base Score: 4.4
Vector String: AV:L/AC:M/Au:N/C:P/I:P/A:P
Version: 2.0
Attack Vector: Local
Attack Complexity: Medium
Authentication: None
Confidentiality Impact: Partial
Integrity Impact: Partial
Availability Impact: Partial

Errata information


PlatformErrataRelease Date
Oracle Enterprise Linux version 4 (kernel)ELSA-2009-11322009-07-01
Oracle Enterprise Linux version 4 (ocfs2-2.6.9-89.0.3.0.1.EL)ELSA-2009-11322009-07-01
Oracle Enterprise Linux version 4 (oracleasm-2.6.9-89.0.3.0.1.EL)ELSA-2009-11322009-07-01
Oracle Linux version 5 (kernel)ELSA-2009-11062009-06-17
Oracle Linux version 5 (ocfs2-2.6.18-128.1.14.0.1.el5)ELSA-2009-11062009-06-17
Oracle Linux version 5 (oracleasm-2.6.18-128.1.14.0.1.el5)ELSA-2009-11062009-06-17


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