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?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2009-2767 patch availability.

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

10 total

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

Vendor Advisory
Vupen
http://www.vupen.com/english/advisories/2009/2197

Vendor Advisory
Lkml
http://lkml.org/lkml/2009/8/4/28

Patch
Lkml
http://lkml.org/lkml/2009/8/4/40

Patch
Kernel Git
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=70d715fd0597f18528f389b5ac59102263067744

Showing 5 of 10 references View all on NVD

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?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2009-2767 patch availability.
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.