NFSv4 in the Linux kernel 2.6.18, and possibly other versions, does not properly clean up an inode when an O_EXCL create fails, which causes files to be created with insecure settings such as setuid bits, and possibly allows local users to gain privileges, related to the execution of the do_open_permission function even when a create fails.
Published 2009-09-22 10:30:01
Updated 2017-09-19 01:29:32
Source MITRE
View at NVD,

Threat overview for CVE-2009-3286

Top countries where our scanners detected CVE-2009-3286
Top open port discovered on systems with this issue 5000
IPs affected by CVE-2009-3286 142
Threat actors abusing to this issue? Yes
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Exploit prediction scoring system (EPSS) score for CVE-2009-3286

Probability of exploitation activity in the next 30 days EPSS Score History
~ 8 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2009-3286

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen

CWE ids for CVE-2009-3286

  • Assigned by: (Primary)

Vendor statements for CVE-2009-3286

  • Red Hat 2009-11-04
    This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, and Red Hat Enterprise MRG. It was addressed in Red Hat Enterprise Linux 5 via:

Products affected by CVE-2009-3286

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