CVE-2008-4307

Medium

Race condition in the do_setlk function in fs/nfs/file.c in the Linux kernel before 2.6.26 allows local users to cause a denial of service (crash) via vectors resulting in an interrupted RPC call that leads to a stray FL_POSIX lock, related to improper handling of a race between fcntl and close in the EINTR case.

Package Linux Kernel
Published 2009-01-13
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

Weakness type

CWE-362

CVE-2008-4307 is a Race Condition vulnerability

What is Race Condition?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2008-4307 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-2008-4307?

    CVE-2008-4307 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.0 out of 10 , classified as a Race Condition flaw (CWE-362) . CVE-2008-4307 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2008-4307?

    CVE-2008-4307 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-2008-4307?

    No patch is currently available for CVE-2008-4307. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2008-4307 actively exploited?

    No — CVE-2008-4307 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

  • What is Race Condition (CWE-362)?

    The product contains a code sequence that can run concurrently with other code, creating unexpected states. View CWE-362 on MITRE CWE →

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