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.
http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00007.html
http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2008-12/msg00000.html
http://lkml.org/lkml/2007/7/30/448
http://rhn.redhat.com/errata/RHSA-2008-0972.html
http://secunia.com/advisories/32023
http://secunia.com/advisories/32103
http://secunia.com/advisories/32237
http://secunia.com/advisories/32356
http://secunia.com/advisories/32370
http://secunia.com/advisories/32393
http://secunia.com/advisories/32759
http://secunia.com/advisories/32799
http://www.debian.org/security/2008/dsa-1653
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23
http://www.mandriva.com/security/advisories?name=MDVSA-2008:220
http://www.openwall.com/lists/oss-security/2008/09/04/1
http://www.redhat.com/support/errata/RHSA-2008-0885.html
http://www.securityfocus.com/bid/31515
http://www.ubuntu.com/usn/usn-659-1
https://bugzilla.redhat.com/show_bug.cgi?id=461082
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10053
Source: MITRE
Published: 2008-09-04
Updated: 2020-08-14
Type: NVD-CWE-noinfo
Base Score: 4.9
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.9
Severity: MEDIUM
Base Score: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM