CVE-2009-2849

Medium

The md driver (drivers/md/md.c) in the Linux kernel before 2.6.30.2 might allow local users to cause a denial of service (NULL pointer dereference) via vectors related to "suspend_* sysfs attributes" and the (1) suspend_lo_store or (2) suspend_hi_store functions. NOTE: this is only a vulnerability when sysfs is writable by an attacker.

Package Linux Kernel
Published 2009-08-18
Last modified 2026-04-23
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

The following references provide additional information about CVE-2009-2849 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-2009-2849?

    CVE-2009-2849 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10 . CVE-2009-2849 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2009-2849?

    CVE-2009-2849 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-2009-2849?

    No patch is currently available for CVE-2009-2849. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2009-2849 actively exploited?

    No — CVE-2009-2849 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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