CVE-2009-4271

Medium

The Linux kernel 2.6.9 through 2.6.17 on the x86_64 and amd64 platforms allows local users to cause a denial of service (panic) via a 32-bit application that calls mprotect on its Virtual Dynamic Shared Object (VDSO) page and then triggers a segmentation fault.

Package Linux Kernel
Published 2010-03-19
Last modified 2026-04-29
CVSS version 2.0
Patch available
Awaiting data

CVSS 2.0 score

4.7

out of 10
Medium
Attack Vector
Local
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
None
Integrity
None
Availability
Vector string
AV:L/AC:M/Au:N/C:N/I:N/A:C

References

4 total

Frequently asked questions

  • What is CVE-2009-4271?

    CVE-2009-4271 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10 . CVE-2009-4271 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2009-4271?

    CVE-2009-4271 has a CVSS score of 4.7 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:M/Au:N/C:N/I:N/A:C .

  • Is there a patch available for CVE-2009-4271?

    Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2009-4271 patch availability.

  • Is CVE-2009-4271 actively exploited?

    No. CVE-2009-4271 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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