Ubuntu 10.04 LTS : linux-ec2 vulnerabilities (USN-1388-1)

High Nessus Plugin ID 58269


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


Paolo Bonzini discovered a flaw in Linux's handling of the SG_IO ioctl command. A local user, or user in a VM could exploit this flaw to bypass restrictions and gain read/write access to all data on the affected block device. (CVE-2011-4127)

A flaw was found in KVM's Programmable Interval Timer (PIT). When a virtual interrupt control is not available a local user could use this to cause a denial of service by starting a timer. (CVE-2011-4622)

A flaw was discovered in the XFS filesystem. If a local user mounts a specially crafted XFS image it could potential execute arbitrary code on the system. (CVE-2012-0038)

A flaw was found in the Linux kernel's ext4 file system when mounting a corrupt filesystem. A user-assisted remote attacker could exploit this flaw to cause a denial of service. (CVE-2012-2100).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.


Update the affected linux-image-2.6-ec2 package.

Plugin Details

Severity: High

ID: 58269

File Name: ubuntu_USN-1388-1.nasl

Version: $Revision: 1.5 $

Type: local

Agent: unix

Published: 2012/03/07

Modified: 2016/10/26

Dependencies: 12634

Risk Information

Risk Factor: High


Base Score: 7.1

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-ec2, cpe:/o:canonical:ubuntu_linux:10.04:-:lts

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

Patch Publication Date: 2012/03/06

Reference Information

CVE: CVE-2011-4127, CVE-2011-4622, CVE-2012-0038, CVE-2012-2100

OSVDB: 77985, 78014, 78226

USN: 1388-1