Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2012-2014)

Medium Nessus Plugin ID 68674

Synopsis

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

Description

Description of changes:

* CVE-2011-4086: Denial of service in journaling block device.

The journal block device assumed that a buffer marked as unwritten or delay could be live without checking if the buffer was mapped.

An unprivileged local user could use this flaw to crash the system.


[2.6.32-300.25.1.el6uek]
- jbd2: clear BH_Delay BH_Unwritten in journal_unmap_buffer (Eric Sandeen) [Bugdb: 13871] {CVE-2011-4086}

Solution

Update the affected unbreakable enterprise kernel packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2012-May/002818.html

https://oss.oracle.com/pipermail/el-errata/2012-May/002819.html

Plugin Details

Severity: Medium

ID: 68674

File Name: oraclelinux_ELSA-2012-2014.nasl

Version: 1.8

Type: local

Agent: unix

Published: 2013/07/12

Updated: 2019/09/30

Dependencies: 12634, 122878

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 4.9

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek-firmware, p-cpe:/a:oracle:linux:kernel-uek-headers, p-cpe:/a:oracle:linux:mlnx_en-2.6.32-300.25.1.el5uek, p-cpe:/a:oracle:linux:mlnx_en-2.6.32-300.25.1.el5uekdebug, p-cpe:/a:oracle:linux:mlnx_en-2.6.32-300.25.1.el6uek, p-cpe:/a:oracle:linux:mlnx_en-2.6.32-300.25.1.el6uekdebug, p-cpe:/a:oracle:linux:ofa-2.6.32-300.25.1.el5uek, p-cpe:/a:oracle:linux:ofa-2.6.32-300.25.1.el5uekdebug, p-cpe:/a:oracle:linux:ofa-2.6.32-300.25.1.el6uek, p-cpe:/a:oracle:linux:ofa-2.6.32-300.25.1.el6uekdebug, cpe:/o:oracle:linux:5, cpe:/o:oracle:linux:6

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

Patch Publication Date: 2012/05/21

Vulnerability Publication Date: 2012/07/03

Reference Information

CVE: CVE-2011-4086