FreeBSD : FreeBSD -- Privilege escalation when returning from kernel (aed44c4e-c067-11e1-b5e0-000c299b62e1)

This script is Copyright (C) 2012-2013 Tenable Network Security, Inc.

Synopsis :

The remote FreeBSD host is missing one or more security-related

Description :

Problem description :

FreeBSD/amd64 runs on CPUs from different vendors. Due to varying
behaviour of CPUs in 64 bit mode a sanity check of the kernel may be
insufficient when returning from a system call.

Successful exploitation of the problem can lead to local kernel
privilege escalation, kernel data corruption and/or crash. To exploit
this vulnerability, an attacker must be able to run code with user
privileges on the target system.

See also :

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.2
CVSS Temporal Score : 6.3
Public Exploit Available : true

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 59748 ()

Bugtraq ID: 53856

CVE ID: CVE-2012-0217

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