RHEL 6 : kernel (RHSA-2012:0481)

high Nessus Plugin ID 58773

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Synopsis

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

Description

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2012:0481 advisory.

- kernel: sysctl: restrict write access to dmesg_restrict (CVE-2011-4080)

- kernel: block: CLONE_IO io_context refcounting issues (CVE-2012-0879)

- kernel: cifs: dentry refcount leak when opening a FIFO on lookup leads to panic on unmount (CVE-2012-1090)

- kernel: regset: Prevent null pointer reference on readonly regsets (CVE-2012-1097)

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 affected packages.

Plugin Details

Severity: High

ID: 58773

File Name: redhat-RHSA-2012-0481.nasl

Version: 1.25

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 4/18/2012

Updated: 4/27/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2012-1097

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-bootwrapper, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-firmware, p-cpe:/a:redhat:enterprise_linux:kernel-headers, p-cpe:/a:redhat:enterprise_linux:kernel-kdump, p-cpe:/a:redhat:enterprise_linux:kernel-kdump-devel, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:python-perf, cpe:/o:redhat:enterprise_linux:6

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: 4/17/2012

Vulnerability Publication Date: 5/17/2012

Reference Information

CVE: CVE-2011-4080, CVE-2012-0879, CVE-2012-1090, CVE-2012-1097

BID: 52152, 52197, 52274

RHSA: 2012:0481

Detections

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