CVE-2009-2767: Buffer Overflow

Published Aug 14, 2009
·
Updated

The initposixtimers 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 CLOCKMONOTONICRAW clocknanosleep call that triggers a NULL pointer dereference.

Affected Software

79 affected components
Linux Linux kernel=2.6.11
Linux Linux kernel=2.6.16.16
Linux Linux kernel=2.6.11.2
Linux Linux kernel=2.6.15.3
Linux Linux kernel=2.6.11.10
Linux Linux kernel=2.6.1
Linux Linux kernel=2.6.14.7
Linux Linux kernel=2.6.13
Linux Linux kernel=2.6.13.3
Linux Linux kernel=2.6.11.8
Linux Linux kernel=2.6.14.4
Linux Linux kernel=2.6.14
Linux Linux kernel=2.6.16.31--rc3
Linux Linux kernel=2.6.16.18
Linux Linux kernel=2.6.10
Linux Linux kernel=2.6.14.3
Linux Linux kernel=2.6.11.6
Linux Linux kernel=2.6.11.11
Linux Linux kernel=2.6.16.13
Linux Linux kernel=2.6.16.15
Linux Linux kernel=2.6.15.6
Linux Linux kernel=2.6.15.1
Linux Linux kernel=2.6.11.5
Linux Linux kernel=2.6.16.1
Linux Linux kernel=2.6.14.5
Linux Linux kernel=2.6.13.2
Linux Linux kernel=2.6.13.5
Linux Linux kernel=2.6.16.11
Linux Linux kernel=2.6.16.14
Linux Linux kernel=2.6.16.25
Linux Linux kernel=2.6.16.21
Linux Linux kernel=2.6.16.28
Linux Linux kernel=2.6.14.1
Linux Linux kernel=2.6.16.23
Linux Linux kernel=2.6.12.5
Linux Linux kernel=2.6.15.7
Linux Linux kernel=2.6.16.3
Linux Linux kernel=2.6.14.6
Linux Linux kernel=2.6.12.1
Linux Linux kernel=2.6.11.9
Linux Linux kernel=2.6.0
Linux Linux kernel=2.6.13.4
Linux Linux kernel=2.6.12.2
Linux Linux kernel=2.6.16.31
Linux Linux kernel=2.6.16.26
Linux Linux kernel=2.6.16.29
Linux Linux kernel=2.6.16
Linux Linux kernel=2.6.15.2
Linux Linux kernel=2.6.16.22
Linux Linux kernel=2.6.16.10
Linux Linux kernel=2.6.12.4
Linux Linux kernel=2.6.11.3
Linux Linux kernel=2.6.16.24
Linux Linux kernel=2.6.16.31--rc2
Linux Kernel=2.6.24.7
Linux Linux kernel=2.6.12.3
Linux Linux kernel=2.6.16.30
Linux Linux kernel=2.6.15.4
Linux Linux kernel=2.6.16.17
Linux Linux kernel=2.6.16.12
Linux Linux kernel=2.6.16.31--rc1
Linux Linux kernel=2.6.16.27
Linux Linux kernel=2.6.12.6
Linux Linux kernel<=2.6.16.31
Linux Linux kernel=2.6.11.7
Linux Linux kernel=2.6.16.2
Linux Linux kernel=2.6.15
Linux Kernel=2.6.25.15
Linux Linux kernel=2.6.14.2
Linux Linux kernel=2.6.11.4
Linux Linux kernel=2.6.16.19
Linux Linux kernel=2.6.11.12
Linux Linux kernel=2.6.16.20
Linux Linux kernel=2.6.15.5
Linux Linux kernel=2.6.11.1
Linux Linux kernel=2.6.16.31--rc4
Linux Linux kernel=2.6.13.1
Linux Linux kernel=2.6
Linux Linux kernel=2.6.12

Event History

Aug 14, 2009
CVE Published
via MITRE·03:00 PM
Data Sourced
via MITRE·03:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2009-2767?

CVE-2009-2767 has a severity level that can lead to denial of service and potential privilege escalation.

2

How do I fix CVE-2009-2767?

To fix CVE-2009-2767, upgrade to a Linux kernel version that is 2.6.31-rc6 or newer.

3

What is affected by CVE-2009-2767?

CVE-2009-2767 affects multiple versions of the Linux kernel prior to 2.6.31-rc6.

4

What does CVE-2009-2767 exploit?

CVE-2009-2767 exploits a vulnerability in the init_posix_timers function using the CLOCK_MONOTONIC_RAW clock_nanosleep call.

5

Who is affected by CVE-2009-2767?

Local users on systems running vulnerable versions of the Linux kernel can be affected by CVE-2009-2767.

Contact

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