Vulnerability Details : CVE-2009-3726

The nfs4_proc_lock function in fs/nfs/nfs4proc.c in the NFSv4 client in the Linux kernel before 2.6.31-rc4 allows remote NFS servers to cause a denial of service (NULL pointer dereference and panic) by sending a certain response containing incorrect file attributes, which trigger attempted use of an open file that lacks NFSv4 state.
Published 2009-11-09 19:30:00
Updated 2023-02-13 02:20:33
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionDenial of service

Products affected by CVE-2009-3726

Threat overview for CVE-2009-3726

Top countries where our scanners detected CVE-2009-3726
Top open port discovered on systems with this issue 52869
IPs affected by CVE-2009-3726 251,656
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2009-3726!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2009-3726

EPSS FAQ
0.30%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 65 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2009-3726

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.8
 HIGH AV:N/AC:L/Au:N/C:N/I:N/A:C
10.0
6.9
 NIST

CWE ids for CVE-2009-3726

  • Assigned by: nvd@nist.gov (Primary)

Vendor statements for CVE-2009-3726

  • Red Hat 2009-12-17
    Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2009-3726. The Linux kernel as shipped with Red Hat Enterprise Linux 3 did not have support for NFSv4, and therefore is not affected by this issue. It was addressed in Red Hat Enterprise Linux 5, and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2009-1670.html and https://rhn.redhat.com/errata/RHSA-2009-1635.html respectively. A future kernel update in Red Hat Enterprise Linux 4 will address this issue.

References for CVE-2009-3726

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