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.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Linux_kernel | Linux | * | 2.6.23 (excluding) |
| Red Hat Enterprise Linux 4 | RedHat | kernel-0:2.6.9-78.0.8.EL | * |
| Red Hat Enterprise Linux 5 | RedHat | kernel-0:2.6.18-92.1.13.el5 | * |
| Linux-source-2.6.15 | Ubuntu | dapper | * |
| Linux-source-2.6.20 | Ubuntu | feisty | * |
| Linux-source-2.6.22 | Ubuntu | gutsy | * |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=848c4dd5153c7a0de55470ce99a8e13a63b4703f
- 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
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=848c4dd5153c7a0de55470ce99a8e13a63b4703f
- 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