CVE-2006-4342

Publication date 17 October 2006

Last updated 17 July 2025

Ubuntu priority

Cvss 3 Severity Score

Description

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 (IPC_RMID), which prevents a spinlock from being unlocked.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
linux-source-2.6.15	7.04 feisty	Not in release
	6.10 edgy	Not in release
	6.06 LTS dapper	Not affected
linux-source-2.6.17	7.04 feisty	Not in release
	6.10 edgy	Not affected
	6.06 LTS dapper	Not in release

Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Other references

https://www.cve.org/CVERecord?id=CVE-2006-4342