Ubuntu 10.10 : linux-mvl-dove vulnerabilities (USN-1274-1)

High Nessus Plugin ID 56916

Synopsis

The remote Ubuntu host is missing a security-related patch.

Description

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).

Solution

Update the affected linux-image-2.6.32-420-dove package.

Plugin Details

Severity: High

ID: 56916

File Name: ubuntu_USN-1274-1.nasl

Version: Revision: 1.6

Type: local

Agent: unix

Published: 2011/11/22

Updated: 2014/01/27

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.2

Temporal Score: 6.3

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

Temporal Vector: CVSS2#E:ND/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:10.10

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2011/11/21

Reference Information

CVE: CVE-2011-2491, CVE-2011-2496, CVE-2011-2517, CVE-2011-2525

BID: 48538, 48641

USN: 1274-1