CVE-2009-3623

Impact:
Important
Public Date:
2009-09-15
CWE:
CWE-476
Bugzilla:
530269: CVE-2009-3623 kernel: nfsd4: fix null dereference creating nfsv4 callback client

The MITRE CVE dictionary describes this issue as:

The lookup_cb_cred function in fs/nfsd/nfs4callback.c in the nfsd4 subsystem in the Linux kernel before 2.6.31.2 attempts to access a credentials cache even when a client specifies the AUTH_NULL authentication flavor, which allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via an NFSv4 mount request.

Find out more about CVE-2009-3623 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

Not vulnerable. This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, 5, or Red Hat Enterprise MRG. Those versions do not include the upstream patch that introduced this vulnerability.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 8.3
Base Metrics AV:A/AC:L/Au:N/C:C/I:C/A:C
Access Vector Adjacent Network
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact Red Hat Product Security.

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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