Integer underflow in the cpuset_tasks_read function in the Linux kernel before 2.6.20.13, and 2.6.21.x before 2.6.21.4, when the cpuset filesystem is mounted, allows local users to obtain kernel memory contents by using a large offset when reading the /dev/cpuset/tasks file.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Linux_kernel | Linux | * | 2.6.20.13 (excluding) |
| Linux_kernel | Linux | 2.6.21 (including) | 2.6.21.4 (excluding) |
| Red Hat Enterprise Linux 5 | RedHat | kernel-0:2.6.18-8.1.10.el5 | * |
| Linux-source-2.6.15 | Ubuntu | dapper | * |
| Linux-source-2.6.17 | Ubuntu | edgy | * |
| Linux-source-2.6.20 | Ubuntu | feisty | * |
References
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.13
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21.4
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=541
- http://osvdb.org/37113
- http://secunia.com/advisories/26133
- http://secunia.com/advisories/26139
- http://secunia.com/advisories/26620
- http://secunia.com/advisories/26647
- http://secunia.com/advisories/26760
- http://secunia.com/advisories/27227
- http://www.debian.org/security/2007/dsa-1363
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:171
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:196
- http://www.novell.com/linux/security/advisories/2007_53_kernel.html
- http://www.redhat.com/support/errata/RHSA-2007-0705.html
- http://www.securityfocus.com/bid/24389
- http://www.securitytracker.com/id?1018211
- http://www.ubuntu.com/usn/usn-486-1
- http://www.ubuntu.com/usn/usn-489-1
- http://www.ubuntu.com/usn/usn-510-1
- http://www.vupen.com/english/advisories/2007/2105
- https://exchange.xforce.ibmcloud.com/vulnerabilities/34779
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9251
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.13
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21.4
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=541
- http://osvdb.org/37113
- http://secunia.com/advisories/26133
- http://secunia.com/advisories/26139
- http://secunia.com/advisories/26620
- http://secunia.com/advisories/26647
- http://secunia.com/advisories/26760
- http://secunia.com/advisories/27227
- http://www.debian.org/security/2007/dsa-1363
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:171
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:196
- http://www.novell.com/linux/security/advisories/2007_53_kernel.html
- http://www.redhat.com/support/errata/RHSA-2007-0705.html
- http://www.securityfocus.com/bid/24389
- http://www.securitytracker.com/id?1018211
- http://www.ubuntu.com/usn/usn-486-1
- http://www.ubuntu.com/usn/usn-489-1
- http://www.ubuntu.com/usn/usn-510-1
- http://www.vupen.com/english/advisories/2007/2105
- https://exchange.xforce.ibmcloud.com/vulnerabilities/34779
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9251