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Last updated: 11/28/2014 11:59:49 PM

CVE Publication rate: 17.6

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Vulnerability Workload Index: 8.14
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National Cyber Awareness System

Vulnerability Summary for CVE-2009-2767

Original release date: 08/14/2009
Last revised: 03/19/2012
Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.2 (HIGH) (AV:L/AC:L/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (08/18/2009)
Not vulnerable. This issue only affected kernels version 2.6.28-rc1 and later. Therefore this issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, 5 or Red Hat Enterprise MRG..

References to Advisories, Solutions, and Tools

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External Source: SECUNIA
Name: 37105
External Source: SECUNIA
Name: 36200
Type: Advisory
External Source: CONFIRM
Name: http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.31-rc6
External Source: MLIST
Name: [oss-security] 20090806 CVE request: kernel: clock_nanosleep() with CLOCK_MONOTONIC_RAW NULL pointer dereference
External Source: MLIST
Name: [linux-kernel] 20090804 Re: [PATCH] posix-timers: fix oops in clock_nanosleep() with CLOCK_MONOTONIC_RAW
Type: Patch Information
External Source: MLIST
Name: [linux-kernel] 20090804 Re: [PATCH] posix-timers: fix oops in clock_nanosleep() with CLOCK_MONOTONIC_RAW
Type: Patch Information
External Source: XF
Name: linux-kernel-clocknanosleep-priv-escalation(52317)
External Source: VUPEN
Name: ADV-2009-2197
Type: Advisory
External Source: UBUNTU
Name: USN-852-1
External Source: CONFIRM
Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=70d715fd0597f18528f389b5ac59102263067744

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/o:linux:linux_kernel:2.6.1
* cpe:/o:linux:linux_kernel:2.6.10
* cpe:/o:linux:linux_kernel:2.6.0
* cpe:/o:linux:linux_kernel:2.6.11
* cpe:/o:linux:linux_kernel:2.6.11.1
* cpe:/a:linux:kernel:2.6.25.15
* cpe:/a:linux:kernel:2.6.24.7
* cpe:/o:linux:linux_kernel:2.6
* cpe:/o:linux:linux_kernel:2.6.11.10
* cpe:/o:linux:linux_kernel:2.6.11.11
* cpe:/o:linux:linux_kernel:2.6.11.2
* cpe:/o:linux:linux_kernel:2.6.11.3
* cpe:/o:linux:linux_kernel:2.6.11.4
* cpe:/o:linux:linux_kernel:2.6.11.5
* cpe:/o:linux:linux_kernel:2.6.11.8
* cpe:/o:linux:linux_kernel:2.6.11.7
* cpe:/o:linux:linux_kernel:2.6.11.9
* cpe:/o:linux:linux_kernel:2.6.11.12
* cpe:/o:linux:linux_kernel:2.6.12
* cpe:/o:linux:linux_kernel:2.6.12.3
* cpe:/o:linux:linux_kernel:2.6.12.2
* cpe:/o:linux:linux_kernel:2.6.12.5
* cpe:/o:linux:linux_kernel:2.6.12.4
* cpe:/o:linux:linux_kernel:2.6.13
* cpe:/o:linux:linux_kernel:2.6.12.6
* cpe:/o:linux:linux_kernel:2.6.13.2
* cpe:/o:linux:linux_kernel:2.6.13.1
* cpe:/o:linux:linux_kernel:2.6.13.3
* cpe:/o:linux:linux_kernel:2.6.12.1
* cpe:/o:linux:linux_kernel:2.6.14.7
* cpe:/o:linux:linux_kernel:2.6.14.5
* cpe:/o:linux:linux_kernel:2.6.14.6
* cpe:/o:linux:linux_kernel:2.6.13.5
* cpe:/o:linux:linux_kernel:2.6.14
* cpe:/o:linux:linux_kernel:2.6.13.4
* cpe:/o:linux:linux_kernel:2.6.14.3
* cpe:/o:linux:linux_kernel:2.6.14.4
* cpe:/o:linux:linux_kernel:2.6.14.1
* cpe:/o:linux:linux_kernel:2.6.14.2
* cpe:/o:linux:linux_kernel:2.6.15
* cpe:/o:linux:linux_kernel:2.6.15.3
* cpe:/o:linux:linux_kernel:2.6.15.4
* cpe:/o:linux:linux_kernel:2.6.15.1
* cpe:/o:linux:linux_kernel:2.6.15.2
* cpe:/o:linux:linux_kernel:2.6.16
* cpe:/o:linux:linux_kernel:2.6.15.7
* cpe:/o:linux:linux_kernel:2.6.15.6
* cpe:/o:linux:linux_kernel:2.6.15.5
* cpe:/o:linux:linux_kernel:2.6.16.1
* cpe:/o:linux:linux_kernel:2.6.16.18
* cpe:/o:linux:linux_kernel:2.6.16.17
* cpe:/o:linux:linux_kernel:2.6.16.19
* cpe:/o:linux:linux_kernel:2.6.16.12
* cpe:/o:linux:linux_kernel:2.6.16.14
* cpe:/o:linux:linux_kernel:2.6.16.11
* cpe:/o:linux:linux_kernel:2.6.16.13
* cpe:/o:linux:linux_kernel:2.6.16.10
* cpe:/o:linux:linux_kernel:2.6.16.16
* cpe:/o:linux:linux_kernel:2.6.16.15
* cpe:/o:linux:linux_kernel:2.6.16.20
* cpe:/o:linux:linux_kernel:2.6.16.26
* cpe:/o:linux:linux_kernel:2.6.16.25
* cpe:/o:linux:linux_kernel:2.6.16.28
* cpe:/o:linux:linux_kernel:2.6.16.27
* cpe:/o:linux:linux_kernel:2.6.16.22
* cpe:/o:linux:linux_kernel:2.6.16.21
* cpe:/o:linux:linux_kernel:2.6.16.2
* cpe:/o:linux:linux_kernel:2.6.16.24
* cpe:/o:linux:linux_kernel:2.6.16.23
* cpe:/o:linux:linux_kernel:2.6.16.29
* cpe:/o:linux:linux_kernel:2.6.16.3
* cpe:/o:linux:linux_kernel:2.6.16.30
* cpe:/o:linux:linux_kernel:2.6.16.31
* cpe:/o:linux:linux_kernel:2.6.16.31:-rc3
* cpe:/o:linux:linux_kernel:2.6.16.31:-rc2
* cpe:/o:linux:linux_kernel:2.6.16.31:-rc4
* cpe:/o:linux:linux_kernel:2.6.16.31:-rc1
* cpe:/o:linux:linux_kernel:2.6.16.31:-rc5 and previous versions
* cpe:/o:linux:linux_kernel:2.6.11.6

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

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