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Test Kennung:1.3.6.1.4.1.25623.1.0.840823
Kategorie:Ubuntu Local Security Checks
Titel:Ubuntu Update for linux-ec2 USN-1269-1
Zusammenfassung:Ubuntu Update for Linux kernel vulnerabilities USN-1269-1
Beschreibung:Summary:
Ubuntu Update for Linux kernel vulnerabilities USN-1269-1

Vulnerability Insight:
Vasily Averin discovered that the NFS Lock Manager (NLM) incorrectly
handled unlock requests. A local attacker could exploit this to cause a
denial of service. (CVE-2011-2491)

Robert Swiecki discovered that mapping extensions were incorrectly handled.
A local attacker could exploit this to crash the system, leading to a
denial of service. (CVE-2011-2496)

It was discovered that the wireless stack incorrectly verified SSID
lengths. A local attacker could exploit this to cause a denial of service
or gain root privileges. (CVE-2011-2517)

Ben Pfaff discovered that Classless Queuing Disciplines (qdiscs) were being
incorrectly handled. A local attacker could exploit this to crash the
system, leading to a denial of service. (CVE-2011-2525)

Affected Software/OS:
linux-ec2 on Ubuntu 10.04 LTS

Solution:
Please Install the Updated Packages.

CVSS Score:
7.2

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

Querverweis: Common Vulnerability Exposure (CVE) ID: CVE-2011-2491
http://www.openwall.com/lists/oss-security/2011/06/23/6
RedHat Security Advisories: RHSA-2011:1212
http://rhn.redhat.com/errata/RHSA-2011-1212.html
Common Vulnerability Exposure (CVE) ID: CVE-2011-2496
http://www.openwall.com/lists/oss-security/2011/06/27/2
Common Vulnerability Exposure (CVE) ID: CVE-2011-2517
http://www.openwall.com/lists/oss-security/2011/07/01/4
Common Vulnerability Exposure (CVE) ID: CVE-2011-2525
http://kerneltrap.org/mailarchive/linux-netdev/2010/5/21/6277805
http://openwall.com/lists/oss-security/2011/07/12/1
RedHat Security Advisories: RHSA-2011:1065
http://rhn.redhat.com/errata/RHSA-2011-1065.html
RedHat Security Advisories: RHSA-2011:1163
http://rhn.redhat.com/errata/RHSA-2011-1163.html
CopyrightCopyright (c) 2011 Greenbone Networks GmbH

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