Scientific Linux Security Update : kernel on SL6.x i386/x86_64

High Nessus Plugin ID 66490

Synopsis

The remote Scientific Linux host is missing one or more security updates.

Description

This update fixes the following security issue :

- It was found that the Scientific Linux 6.1 kernel update (SLSA-2011:0542) introduced an integer conversion issue in the Linux kernel's Performance Events implementation.
This led to a user-supplied index into the perf_swevent_enabled array not being validated properly, resulting in out-of-bounds kernel memory access. A local, unprivileged user could use this flaw to escalate their privileges. (CVE-2013-2094, Important)

A public exploit that affects Scientific Linux 6 is available.

Refer to Red Hat Knowledge Solution 373743 for further information and mitigation instructions for users who are unable to immediately apply this update.

The system must be rebooted for this update to take effect.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?6935123e

Plugin Details

Severity: High

ID: 66490

File Name: sl_20130516_kernel_on_SL6_x.nasl

Version: 1.5

Type: local

Agent: unix

Published: 2013/05/17

Updated: 2018/12/31

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Vulnerability Information

CPE: x-cpe:/o:fermilab:scientific_linux

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2013/05/16

Exploitable With

CANVAS (CANVAS)

Core Impact

Reference Information

CVE: CVE-2013-2094