National Cyber-Alert System

Vulnerability Summary for CVE-2007-6716

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):

CVSS Version 2 Metrics:

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

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=461082

External Source: UBUNTU

Name: USN-659-1

Hyperlink:http://www.ubuntu.com/usn/usn-659-1

External Source: BID

Name: 31515

Hyperlink:http://www.securityfocus.com/bid/31515

External Source: REDHAT

Name: RHSA-2008:0885

Hyperlink:http://www.redhat.com/support/errata/RHSA-2008-0885.html

External Source: MLIST

Name: [oss-security] 20080904 CVE request: kernel: dio: zero struct dio with kzalloc instead of manually

Hyperlink:http://www.openwall.com/lists/oss-security/2008/09/04/1

External Source: MANDRIVA

Name: MDVSA-2008:220

Hyperlink:http://www.mandriva.com/security/advisories?name=MDVSA-2008:220

External Source: CONFIRM

Name: http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23

Hyperlink:http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23

External Source: DEBIAN

Name: DSA-1653

Hyperlink:http://www.debian.org/security/2008/dsa-1653

External Source: SECUNIA

Name: 32799

Hyperlink:http://secunia.com/advisories/32799

External Source: SECUNIA

Name: 32759

Hyperlink:http://secunia.com/advisories/32759

External Source: SECUNIA

Name: 32393

Hyperlink:http://secunia.com/advisories/32393

External Source: SECUNIA

Name: 32237

Hyperlink:http://secunia.com/advisories/32237

External Source: SECUNIA

Name: 32103

Hyperlink:http://secunia.com/advisories/32103

External Source: SECUNIA

Name: 32023

Hyperlink:http://secunia.com/advisories/32023

External Source: REDHAT

Name: RHSA-2008:0972

Hyperlink:http://rhn.redhat.com/errata/RHSA-2008-0972.html

External Source: MLIST

Name: [linux-kernel] 20070731 Re: [PATCH] add check do_direct_IO() return val

Hyperlink:http://lkml.org/lkml/2007/7/30/448

External Source: SUSE

Name: SUSE-SA:2008:056

Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2008-12/msg00000.html

External Source: SUSE

Name: SUSE-SR:2008:025

Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html

External Source: SUSE

Name: SUSE-SA:2008:047

Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00000.html

External Source: CONFIRM

Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=848c4dd5153c7a0de55470ce99a8e13a63b4703f

Hyperlink:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=848c4dd5153c7a0de55470ce99a8e13a63b4703f