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Vulnerabilities

Vulnerability · CVE-2009-1072

nfsd in the Linux kernel before 2.6.28.9 does not drop the CAP_MKNOD capability before handling a user request in a thread, which allows local users to create device n…

Published Mar 25, 2009 · catalog updated Jun 16, 2026 · linux kernel

Last checked Nov 7, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2009-1072. EPSS is 0.43%. Act only if a listed version of linux kernel is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium4.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.43%
Remediation
Version ranges on file
Affected products
cpe debian/debian linux · cpe linux/linux kernel · cpe opensuse/opensuse

nfsd in the Linux kernel before 2.6.28.9 does not drop the CAP_MKNOD capability before handling a user request in a thread, which allows local users to create device nodes, as demonstrated on a filesystem that has been exported with the root_squash option.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe debian/debian linux4.0
  • cpe debian/debian linux5.0
  • cpe linux/linux kernel< 2.6.28.9
  • cpe opensuse/opensuse10.3
  • cpe opensuse/opensuse11.0
  • cpe opensuse/opensuse11.1

How to fix CVE-2009-1072

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2009-1072. EPSS is 0.43%. Act only if a listed version of linux kernel is installed.

Which versions are affected?

Compare what you have installed with debian/debian linux 4.0; debian/debian linux 5.0; linux/linux kernel < 2.6.28.9. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-16: Configuration. EPSS 0.43%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 25, 2009 · Monitored products — critical

    Detected

    nfsd in the Linux kernel before 2.6.28.9 does not drop the CAP_MKNOD capability before handling a user request in a thread, which allows local users to create device nodes, as demonstrated on a filesystem that has been exported with the root_squash option.

  2. Jun 16, 2026 · Monitored products — critical

    Updated

    nfsd in the Linux kernel before 2.6.28.9 does not drop the CAP_MKNOD capability before handling a user request in a thread, which allows local users to create device nodes, as demonstrated on a filesystem that has been exported with the root_squash option.

Sources

  • CVE.orgVulnerability recordCVE-2009-1072

    Official CVE identifier

    cve.org
  • Monitored products — criticalVendor advisoryCVE-2009-1072

    nfsd in the Linux kernel before 2.6.28.9 does not drop the CAP_MKNOD capability before handling a user request in a thread, which allows local users to create device nodes, as demonstrated on a filesystem that has been exported with the root_squash option.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 7, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • Monitored products — criticalNov 6, 2026
  • CVE.orgNov 2, 2026