CVE-2006-4342

Publication date 17 October 2006

Last updated 17 July 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

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

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