The key serial number collision avoidance code in the key_alloc_serial function in Linux kernel 2.6.9 up to 2.6.20 allows local users to cause a denial of service (crash) via vectors that trigger a null dereference, as originally reported as spinlock CPU recursion.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Linux_kernel | Linux | * | 2.6.20 (including) |
| Linux_kernel | Linux | 2.6.9-2.6.20 (including) | 2.6.9-2.6.20 (including) |
| Red Hat Enterprise Linux 4 | RedHat | kernel-0:2.6.9-42.0.10.EL | * |
| Red Hat Enterprise Linux 5 | RedHat | kernel-0:2.6.18-8.1.1.el5 | * |
| Linux-source-2.6.15 | Ubuntu | dapper | * |
| Linux-source-2.6.17 | Ubuntu | edgy | * |
References
- http://bugzilla.kernel.org/show_bug.cgi?id=7727
- http://secunia.com/advisories/24109
- http://secunia.com/advisories/24259
- http://secunia.com/advisories/24300
- http://secunia.com/advisories/24429
- http://secunia.com/advisories/24482
- http://secunia.com/advisories/24547
- http://secunia.com/advisories/24752
- http://secunia.com/advisories/25691
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:047
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:060
- http://www.novell.com/linux/security/advisories/2007_21_kernel.html
- http://www.redhat.com/support/errata/RHSA-2007-0085.html
- http://www.redhat.com/support/errata/RHSA-2007-0099.html
- http://www.securityfocus.com/archive/1/471457
- http://www.securityfocus.com/bid/22539
- http://www.ubuntu.com/usn/usn-451-1
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=227495
- https://issues.rpath.com/browse/RPL-1097
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9829
- http://bugzilla.kernel.org/show_bug.cgi?id=7727
- http://secunia.com/advisories/24109
- http://secunia.com/advisories/24259
- http://secunia.com/advisories/24300
- http://secunia.com/advisories/24429
- http://secunia.com/advisories/24482
- http://secunia.com/advisories/24547
- http://secunia.com/advisories/24752
- http://secunia.com/advisories/25691
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:047
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:060
- http://www.novell.com/linux/security/advisories/2007_21_kernel.html
- http://www.redhat.com/support/errata/RHSA-2007-0085.html
- http://www.redhat.com/support/errata/RHSA-2007-0099.html
- http://www.securityfocus.com/archive/1/471457
- http://www.securityfocus.com/bid/22539
- http://www.ubuntu.com/usn/usn-451-1
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=227495
- https://issues.rpath.com/browse/RPL-1097
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9829