CVE-2006-7203

Medium

The compat_sys_mount function in fs/compat.c in Linux kernel 2.6.20 and earlier allows local users to cause a denial of service (NULL pointer dereference and oops) by mounting a smbfs file system in compatibility mode ("mount -t smbfs").

Package Linux Kernel
Published 2007-05-14
Last modified 2026-04-23
CVSS version 2.0
Patch available
Awaiting data

CVSS 2.0 score

4.0

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

References

The following references provide additional information about CVE-2006-7203 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2006-7203?

    CVE-2006-7203 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.0 out of 10 . CVE-2006-7203 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2006-7203?

    CVE-2006-7203 has a CVSS score of 4.0 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:H/Au:N/C:N/I:N/A:C .

  • Is there a patch available for CVE-2006-7203?

    No patch is currently available for CVE-2006-7203. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2006-7203 actively exploited?

    No — CVE-2006-7203 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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