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Privilege Escalation

Description

kernel-rt is vulnerable to privilege escalation. The vulnerability exists as a deficiency was found in the Linux kernel signals implementation. The kill_something_info() function did not check if a process was outside the caller's namespace before sending the kill signal, making it possible to kill processes in all process ID (PID) namespaces, breaking PID namespace isolation.


Affected Software


CPE Name Name Version
kernel-rt 2.6.24.7__111.el5rt
kernel-rt 2.6.24.7__81.el5rt
kernel-rt 2.6.24.7__101.el5rt
kernel-rt 2.6.24.7__108.el5rt
kernel-rt 2.6.24.7__93.el5rt
kernel-rt 2.6.24.7__74.el5rt
kernel-rt 2.6.24.7__111.el5rt
kernel-rt 2.6.24.7__81.el5rt
kernel-rt 2.6.24.7__101.el5rt
kernel-rt 2.6.24.7__108.el5rt
kernel-rt 2.6.24.7__93.el5rt
kernel-rt 2.6.24.7__74.el5rt

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