CentOS 5 : kernel (CESA-2010:0792)

high Nessus Plugin ID 50797

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Synopsis

The remote CentOS host is missing one or more security updates.

Description

Updated kernel packages that fix one security issue 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 :

* The rds_page_copy_user() function in the Linux kernel Reliable Datagram Sockets (RDS) protocol implementation was missing sanity checks. A local, unprivileged user could use this flaw to escalate their privileges. (CVE-2010-3904, Important)

Red Hat would like to thank Dan Rosenberg of Virtual Security Research for reporting this issue.

Users should upgrade to these updated packages, which contain a backported patch to correct this issue. The system must be rebooted for this update to take effect.

Solution

Update the affected kernel packages.

See Also

http://www.nessus.org/u?35d45651

http://www.nessus.org/u?2062c3a4

Plugin Details

Severity: High

ID: 50797

File Name: centos_RHSA-2010-0792.nasl

Version: 1.16

Type: local

Agent: unix

Published: 11/24/2010

Updated: 1/4/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Critical

Score: 9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

Temporal Vector: E:H/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:centos:centos:kernel, p-cpe:/a:centos:centos:kernel-PAE, p-cpe:/a:centos:centos:kernel-PAE-devel, p-cpe:/a:centos:centos:kernel-debug, p-cpe:/a:centos:centos:kernel-debug-devel, p-cpe:/a:centos:centos:kernel-devel, p-cpe:/a:centos:centos:kernel-doc, p-cpe:/a:centos:centos:kernel-headers, p-cpe:/a:centos:centos:kernel-xen, p-cpe:/a:centos:centos:kernel-xen-devel, cpe:/o:centos:centos:5

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/26/2010

Vulnerability Publication Date: 12/6/2010

Exploitable With

CANVAS (CANVAS)

Core Impact

Metasploit (Reliable Datagram Sockets (RDS) Privilege Escalation)

Reference Information

CVE: CVE-2010-3904

BID: 44219

RHSA: 2010:0792