The sysfs_readdir function in the Linux kernel 2.6, as used in Red Hat Enterprise Linux (RHEL) 4.5 and other distributions, allows users to cause a denial of service (kernel OOPS) by dereferencing a null pointer to an inode in a dentry.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Linux_kernel | Linux | 2.6.0 (including) | 2.6.0 (including) |
| Red Hat Enterprise Linux 4 | RedHat | kernel-0:2.6.9-55.0.2.EL | * |
| Red Hat Enterprise Linux 5 | RedHat | kernel-0:2.6.18-53.1.6.el5 | * |
| Linux-source-2.6.15 | Ubuntu | dapper | * |
| Linux-source-2.6.17 | Ubuntu | edgy | * |
| Linux-source-2.6.20 | Ubuntu | feisty | * |
References
- http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=242558
- http://lists.opensuse.org/opensuse-security-announce/2007-12/msg00001.html
- http://osvdb.org/37115
- http://rhn.redhat.com/errata/RHSA-2007-0488.html
- http://secunia.com/advisories/25771
- http://secunia.com/advisories/25838
- http://secunia.com/advisories/26289
- http://secunia.com/advisories/26643
- http://secunia.com/advisories/26651
- http://secunia.com/advisories/27912
- http://secunia.com/advisories/28033
- http://secunia.com/advisories/28643
- http://support.avaya.com/elmodocs2/security/ASA-2007-287.htm
- http://www.debian.org/security/2007/dsa-1428
- http://www.redhat.com/support/errata/RHSA-2008-0089.html
- http://www.securityfocus.com/bid/24631
- http://www.securitytracker.com/id?1018289
- http://www.ubuntu.com/usn/usn-508-1
- http://www.ubuntu.com/usn/usn-509-1
- http://www.ubuntu.com/usn/usn-510-1
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11233
- http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=242558
- http://lists.opensuse.org/opensuse-security-announce/2007-12/msg00001.html
- http://osvdb.org/37115
- http://rhn.redhat.com/errata/RHSA-2007-0488.html
- http://secunia.com/advisories/25771
- http://secunia.com/advisories/25838
- http://secunia.com/advisories/26289
- http://secunia.com/advisories/26643
- http://secunia.com/advisories/26651
- http://secunia.com/advisories/27912
- http://secunia.com/advisories/28033
- http://secunia.com/advisories/28643
- http://support.avaya.com/elmodocs2/security/ASA-2007-287.htm
- http://www.debian.org/security/2007/dsa-1428
- http://www.redhat.com/support/errata/RHSA-2008-0089.html
- http://www.securityfocus.com/bid/24631
- http://www.securitytracker.com/id?1018289
- http://www.ubuntu.com/usn/usn-508-1
- http://www.ubuntu.com/usn/usn-509-1
- http://www.ubuntu.com/usn/usn-510-1
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11233