Oracle Linux 5 : kernel (ELSA-2012-0690-1)

high Nessus Plugin ID 68531

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Synopsis

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

Description

From Red Hat Security Advisory 2012:0690 :

Updated kernel packages that fix one security issue and various bugs are now available for Red Hat Enterprise Linux 5.

The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

This update fixes the following security issue :

* It was found that the data_len parameter of the sock_alloc_send_pskb() function in the Linux kernel's networking implementation was not validated before use. A local user with access to a TUN/TAP virtual interface could use this flaw to crash the system or, potentially, escalate their privileges. Note that unprivileged users cannot access TUN/TAP devices until the root user grants them access. (CVE-2012-2136, Important)

This update also fixes various bugs. Documentation for these changes will be available shortly from the Technical Notes document linked to in the References section.

Users should upgrade to these updated packages, which contain backported patches to correct this issue, and fix the bugs noted in the Technical Notes. The system must be rebooted for this update to take effect.

Solution

Update the affected kernel packages.

Plugin Details

Severity: High

ID: 68531

File Name: oraclelinux_ELSA-2012-0690-1.nasl

Version: 1.7

Type: local

Agent: unix

Family: Oracle Linux Local Security Checks

Published: 7/12/2013

Updated: 1/14/2021

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel-xen, cpe:/o:oracle:linux:5, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel-pae-devel, p-cpe:/a:oracle:linux:kernel-xen-devel, p-cpe:/a:oracle:linux:kernel-pae, p-cpe:/a:oracle:linux:kernel-debug-devel, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:kernel-doc, p-cpe:/a:oracle:linux:kernel

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

Patch Publication Date: 5/31/2012

Reference Information

CVE: CVE-2012-2136

RHSA: 2012:0690

Detections

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