CVE-2006-4342: Medium severity redhat Enterprise Linux vulnerability
The kernel in Red Hat Enterprise Linux 3, when running on SMP systems, allows local users to cause a denial of service (deadlock) by running the shmat function on an shm at the same time that shmctl is removing that shm (IPCRMID), which prevents a spinlock from being unlocked.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2006-4342?
CVE-2006-4342 is classified as a denial of service vulnerability that can lead to system unresponsiveness.
How do I fix CVE-2006-4342?
To mitigate CVE-2006-4342, it is recommended to upgrade Red Hat Enterprise Linux to a version that no longer contains this vulnerability.
Who is affected by CVE-2006-4342?
CVE-2006-4342 affects local users on Red Hat Enterprise Linux 3 systems running on SMP architecture.
What causes the vulnerability in CVE-2006-4342?
CVE-2006-4342 is caused by concurrent access to shared memory segments leading to a deadlock situation.
Is there a workaround for CVE-2006-4342?
As a temporary workaround for CVE-2006-4342, avoid simultaneous use of the shmat and shmctl functions on shared memory.