National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2009-0859 Detail


The shm_get_stat function in ipc/shm.c in the shm subsystem in the Linux kernel before, 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.

Source:  MITRE      Last Modified:  03/09/2009

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
(AV:L/AC:M/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Not required to exploit
Impact Type:
Allows disruption of service

Vendor Statements (disclaimer)

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.

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Hyperlink Resource Type Source Name;a=commit;h=a68e61e8ff2d46327a37b69056998b47745db6fa External Source CONFIRM;a=commit;h=a68e61e8ff2d46327a37b69056998b47745db6fa External Source CONFIRM External Source SUSE SUSE-SA:2009:028 External Source SUSE SUSE-SA:2009:030 External Source SUSE SUSE-SA:2009:031 External Source MLIST [git-commits-head] 20090205 shm: fix shmctl(SHM_INFO) lockup with !CONFIG_SHMEM External Source MLIST [linux-kernel] 20080229 [BUG] soft lockup detected with ipcs External Source MLIST [linux-kernel] 20090127 [PATCH 1/2] fix shmctl(SHM_INFO) lockup with !CONFIG_SHMEM External Source MLIST [oss-security] 20090306 CVE request: kernel: shm: fix shmctl(SHM_INFO) lockup with !CONFIG_SHMEM External Source CONFIRM External Source DEBIAN DSA-1787 External Source DEBIAN DSA-1794 External Source DEBIAN DSA-1800 External Source BID 34020 External Source UBUNTU USN-751-1 External Source XF linux-kernel-shmgetstat-dos(49229)

Technical Details

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