What is CVE-2009-3888?

CVE-2009-3888 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10. CVE-2009-3888 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2009-3888?

CVE-2009-3888 has a CVSS score of 4.9 out of 10, rated Medium severity. The vector string is AV:L/AC:L/Au:N/C:N/I:N/A:C.

Is there a patch available for CVE-2009-3888?

No patch is currently available for CVE-2009-3888. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2009-3888 actively exploited?

CVE-2009-3888 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2009-3888

Medium

The do_mmap_pgoff function in mm/nommu.c in the Linux kernel before 2.6.31.6, when the CPU lacks a memory management unit, allows local users to cause a denial of service (OOPS) via an application that attempts to allocate a large amount of memory.

Package Linux Kernel

Published 2009-11-16

Last modified 2026-04-23

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

4.9

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

None

Availability

Vector string

AV:L/AC:L/Au:N/C:N/I:N/A:C

Weakness type

CWE-399

CVE-2009-3888 is classified as CWE-399

See CWE-399 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2009-3888 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel.org
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.6

Vendor Advisory
Openwall
http://www.openwall.com/lists/oss-security/2009/11/09/2
Openwall
http://www.openwall.com/lists/oss-security/2009/11/13/3
Ubuntu Security
http://www.ubuntu.com/usn/usn-864-1
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=89a8640279f8bb78aaf778d1fc5c4a6778f18064
Patch

Details

CVE ID CVE-2009-3888

Severity Medium

CVSS score 4.9 / 10

CVSS version 2.0

Published 2009-11-16

Modified 2026-04-23

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2009-3888?

CVE-2009-3888 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10 . CVE-2009-3888 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2009-3888?

CVE-2009-3888 has a CVSS score of 4.9 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:L/Au:N/C:N/I:N/A:C.
Is there a patch available for CVE-2009-3888?

No patch is currently available for CVE-2009-3888. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2009-3888 actively exploited?

No — CVE-2009-3888 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.