National Cyber-Alert System
Vulnerability Summary for CVE-2007-6716
Original release date:09/04/2008
Last revised:02/26/2009
Source:
US-CERT/NIST
Overview
fs/direct-io.c in the dio subsystem in the Linux kernel before 2.6.23 does not properly zero out the dio struct, which allows local users to cause a denial of service (OOPS), as demonstrated by a certain fio test.
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
References to Advisories, Solutions, and Tools
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External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=461082
Type: Patch Information
External Source: UBUNTU
Name: USN-659-1
External Source: BID
Name: 31515
External Source: REDHAT
Name: RHSA-2008:0885
External Source: MLIST
Name: [oss-security] 20080904 CVE request: kernel: dio: zero struct dio with kzalloc instead of manually
External Source: MANDRIVA
Name: MDVSA-2008:220
External Source: CONFIRM
Name: http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23
External Source: DEBIAN
Name: DSA-1653
External Source: SECUNIA
Name: 32799
External Source: SECUNIA
Name: 32759
External Source: SECUNIA
Name: 32393
External Source: SECUNIA
Name: 32237
External Source: SECUNIA
Name: 32103
External Source: SECUNIA
Name: 32023
External Source: REDHAT
Name: RHSA-2008:0972
External Source: MLIST
Name: [linux-kernel] 20070731 Re: [PATCH] add check do_direct_IO() return val
External Source: SUSE
Name: SUSE-SA:2008:056
External Source: SUSE
Name: SUSE-SR:2008:025
External Source: SUSE
Name: SUSE-SA:2008:047
External Source: CONFIRM
Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=848c4dd5153c7a0de55470ce99a8e13a63b4703f