Linux Kernel Sys_Tee Local Privilege Escalation Vulnerability
BID:22823
Info
Linux Kernel Sys_Tee Local Privilege Escalation Vulnerability
| Bugtraq ID: | 22823 |
| Class: | Race Condition Error |
| CVE: | |
| Remote: | No |
| Local: | Yes |
| Published: | Mar 05 2007 12:00AM |
| Updated: | Mar 05 2007 10:56PM |
| Credit: | Michael Kerrisk reported this issue to the vendor. |
| Vulnerable: |
Linux kernel 2.6.17 .6 Linux kernel 2.6.17 .5 Linux kernel 2.6.17 .4 Linux kernel 2.6.17 .3 Linux kernel 2.6.17 .2 Linux kernel 2.6.17 .1 Linux kernel 2.6.17 |
| Not Vulnerable: |
Linux kernel 2.6.17 .7 |
Discussion
Linux Kernel Sys_Tee Local Privilege Escalation Vulnerability
The Linux kernel is prone to a local privilege-escalation vulnerability.
Exploiting this issue allows local attackers to gain superuser privileges, facilitating the complete compromise of affected computers.
The Linux kernel is prone to a local privilege-escalation vulnerability.
Exploiting this issue allows local attackers to gain superuser privileges, facilitating the complete compromise of affected computers.
Exploit / POC
Linux Kernel Sys_Tee Local Privilege Escalation Vulnerability
The following exploit is available:
The following exploit is available:
Solution / Fix
Linux Kernel Sys_Tee Local Privilege Escalation Vulnerability
Solution:
The vendor has released Linux kernel version 2.6.17.7 to address this issue. Please see the references for more information.
Linux kernel 2.6.17
Linux kernel 2.6.17 .1
Linux kernel 2.6.17 .3
Linux kernel 2.6.17 .6
Linux kernel 2.6.17 .2
Linux kernel 2.6.17 .4
Linux kernel 2.6.17 .5
Solution:
The vendor has released Linux kernel version 2.6.17.7 to address this issue. Please see the references for more information.
Linux kernel 2.6.17
-
Linux linux-2.6.17.7.tar.bz2
http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.17.7.tar.bz2
Linux kernel 2.6.17 .1
-
Linux linux-2.6.17.7.tar.bz2
http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.17.7.tar.bz2
Linux kernel 2.6.17 .3
-
Linux linux-2.6.17.7.tar.bz2
http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.17.7.tar.bz2
Linux kernel 2.6.17 .6
-
Linux linux-2.6.17.7.tar.bz2
http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.17.7.tar.bz2
Linux kernel 2.6.17 .2
-
Linux linux-2.6.17.7.tar.bz2
http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.17.7.tar.bz2
Linux kernel 2.6.17 .4
-
Linux linux-2.6.17.7.tar.bz2
http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.17.7.tar.bz2
Linux kernel 2.6.17 .5
-
Linux linux-2.6.17.7.tar.bz2
http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.17.7.tar.bz2
References
Linux Kernel Sys_Tee Local Privilege Escalation Vulnerability
References:
References:
- [Dailydave] On exploiting null ptr derefs, disabling SELinux, and silently fixed (Brad Spengler)
- [PATCH] splice: fix problems with sys_tee() (Linux Kernel)
- Linux 2.6.17.7 ChangeLog (Linux Kernel)
- Linux Kernel Homepage (Linux)
- Re: [Dailydave] On exploiting null ptr derefs, disabling SELinux, and silently f (Michal Zalewski
) - splice/tee bugs? (Michael Kerrisk)