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RHEL 5 : kernel (RHSA-2013:0747)

medium Nessus Plugin ID 65991

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Synopsis

The remote Red Hat host is missing one or more security updates for kernel.

Description

The remote Redhat Enterprise Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2013:0747 advisory.

 - Kernel: xfrm_user information leaks copy_to_user_ (CVE-2012-6537)

 - Kernel: llc: information leak via getsockname (CVE-2012-6542)

 - Kernel: atm: information leak in getsockopt & getsockname (CVE-2012-6546)

 - Kernel: net/tun: ioctl() based information leaks (CVE-2012-6547)

 - kernel: xen: Linux netback DoS via malicious guest ring. (CVE-2013-0216)

 - kernel: xen: pciback DoS via not rate limited log messages (CVE-2013-0231)

 - Kernel: xfrm_user: return error pointer instead of NULL (CVE-2013-1826)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL kernel package based on the guidance in RHSA-2013:0747.

See Also

http://www.nessus.org/u?d013d894

https://access.redhat.com/errata/RHSA-2013:0747

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=910874

https://bugzilla.redhat.com/show_bug.cgi?id=910883

https://bugzilla.redhat.com/show_bug.cgi?id=919384

https://bugzilla.redhat.com/show_bug.cgi?id=922322

https://bugzilla.redhat.com/show_bug.cgi?id=922344

https://bugzilla.redhat.com/show_bug.cgi?id=922383

https://bugzilla.redhat.com/show_bug.cgi?id=922424

Plugin Details

Severity: Medium

ID: 65991

File Name: redhat-RHSA-2013-0747.nasl

Version: 1.18

Type: local

Agent: unix

Published: 4/17/2013

Updated: 4/21/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.9

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

CVSS Score Source: CVE-2013-1826

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS Score Source: CVE-2012-6547

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kernel-xen-devel, p-cpe:/a:redhat:enterprise_linux:kernel-pae, cpe:/o:redhat:enterprise_linux:5, p-cpe:/a:redhat:enterprise_linux:kernel-headers, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-pae-devel, p-cpe:/a:redhat:enterprise_linux:kernel-kdump, p-cpe:/a:redhat:enterprise_linux:kernel-kdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:kernel-xen

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/16/2013

Reference Information

CVE: CVE-2012-6537, CVE-2012-6542, CVE-2012-6546, CVE-2012-6547, CVE-2013-0216, CVE-2013-0231, CVE-2013-1826

BID: 57740, 57743, 58381, 58977, 58989, 58992, 58996

RHSA: 2013:0747