National Cyber-Alert System
Vulnerability Summary for CVE-2009-0859
Original release date:03/09/2009
Last revised:06/12/2009
Source:
US-CERT/NIST
Overview
The shm_get_stat function in ipc/shm.c in the shm subsystem in the Linux kernel before 2.6.28.5, when CONFIG_SHMEM is disabled, misinterprets the data type of an inode, which allows local users to cause a denial of service (system hang) via an SHM_INFO shmctl call, as demonstrated by running the ipcs program.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.9
Exploitability Subscore:
3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
- Official Statement from Red Hat (03/10/2009)
-
Not vulnerable. This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, 5, or Red Hat Enterprise MRG.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.
External Source: XF
Name: linux-kernel-shmgetstat-dos(49229)
External Source: UBUNTU
Name: USN-751-1
External Source: BID
Name: 34020
External Source: DEBIAN
Name: DSA-1800
External Source: DEBIAN
Name: DSA-1794
External Source: DEBIAN
Name: DSA-1787
External Source: SECUNIA
Name: 35394
External Source: SECUNIA
Name: 35390
External Source: SECUNIA
Name: 35185
External Source: SECUNIA
Name: 35121
External Source: SECUNIA
Name: 35011
External Source: SECUNIA
Name: 34981
External Source: CONFIRM
Name: http://patchwork.kernel.org/patch/6554/
External Source: MLIST
Name: [oss-security] 20090306 CVE request: kernel: shm: fix shmctl(SHM_INFO) lockup with !CONFIG_SHMEM
External Source: MLIST
Name: [linux-kernel] 20090127 [PATCH 1/2] fix shmctl(SHM_INFO) lockup with !CONFIG_SHMEM
External Source: MLIST
Name: [linux-kernel] 20080229 [BUG] soft lockup detected with ipcs
External Source: MLIST
Name: [git-commits-head] 20090205 shm: fix shmctl(SHM_INFO) lockup with !CONFIG_SHMEM
External Source: SUSE
Name: SUSE-SA:2009:031
External Source: SUSE
Name: SUSE-SA:2009:030
External Source: SUSE
Name: SUSE-SA:2009:028
External Source: CONFIRM
Name: http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.5
External Source: CONFIRM
Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a68e61e8ff2d46327a37b69056998b47745db6fa