What is CVE-2009-2767?

CVE-2009-2767 is a High severity Linux kernel vulnerability with a CVSS score of 7.2 out of 10, classified as a Buffer Overflow flaw (CWE-119). CVE-2009-2767 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2009-2767?

CVE-2009-2767 has a CVSS score of 7.2 out of 10, rated High severity. The vector string is AV:L/AC:L/Au:N/C:C/I:C/A:C.

Is there a patch available for CVE-2009-2767?

No patch is currently available for CVE-2009-2767. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2009-2767 actively exploited?

CVE-2009-2767 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/119.html

CVE-2009-2767

High

The init_posix_timers function in kernel/posix-timers.c in the Linux kernel before 2.6.31-rc6 allows local users to cause a denial of service (OOPS) or possibly gain privileges via a CLOCK_MONOTONIC_RAW clock_nanosleep call that triggers a NULL pointer dereference.

Package Linux Kernel

Published 2009-08-14

Last modified 2026-04-23

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

7.2

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

Availability

Vector string

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

Weakness type

CWE-119

CVE-2009-2767 is a Buffer Overflow vulnerability

What is Buffer Overflow?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2009-2767 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Secunia
http://secunia.com/advisories/36200

Vendor Advisory
Secunia
http://secunia.com/advisories/37105
Kernel.org
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.31-rc6
Openwall
http://www.openwall.com/lists/oss-security/2009/08/06/2
Ubuntu Security
http://www.ubuntu.com/usn/USN-852-1
Vupen
http://www.vupen.com/english/advisories/2009/2197

Vendor Advisory
Exchange
https://exchange.xforce.ibmcloud.com/vulnerabilities/52317
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=70d715fd0597f18528f389b5ac59102263067744
Patch
Kernel patch commit
http://lkml.org/lkml/2009/8/4/28
Patch
Kernel patch commit
http://lkml.org/lkml/2009/8/4/40
Patch

Details

CVE ID CVE-2009-2767

Severity High

CVSS score 7.2 / 10

CVSS version 2.0

Published 2009-08-14

Modified 2026-04-23

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2009-2767?

CVE-2009-2767 is a High severity Linux kernel vulnerability with a CVSS score of 7.2 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2009-2767 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2009-2767?

CVE-2009-2767 has a CVSS score of 7.2 out of 10, rated High severity (CVSS 2.0). The vector string is AV:L/AC:L/Au:N/C:C/I:C/A:C.
Is there a patch available for CVE-2009-2767?

No patch is currently available for CVE-2009-2767. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2009-2767 actively exploited?

No — CVE-2009-2767 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. View CWE-119 on MITRE CWE →