Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | 2.6.18 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html
- http://lists.vmware.com/pipermail/security-announce/2010/000082.html
- http://secunia.com/advisories/37105Vendor Advisory
- http://secunia.com/advisories/38794Vendor Advisory
- http://secunia.com/advisories/38834Vendor Advisory
- http://www.openwall.com/lists/oss-security/2009/09/21/2
- http://www.ubuntu.com/usn/USN-852-1
- http://www.vupen.com/english/advisories/2010/0528Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=524520
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- https://rhn.redhat.com/errata/RHSA-2009-1548.html
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html
FAQ
What is CVE-2009-3286?
CVE-2009-3286 is a vulnerability with a CVSS score of 4.6 (MEDIUM). 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 b...
How severe is CVE-2009-3286?
CVE-2009-3286 has been rated MEDIUM with a CVSS base score of 4.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-3286?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.