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Alerts This Week
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Ubuntu 10.10 USN-1220-1 Critical: Kernel Flaws Cause Denial Of Service

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Calendar Grey September 29, 2011
Scroller Ubuntu
Ubuntu Security Notice USN-1321-2 tackles vulnerabilities in the kernel that could lead to data exposure and unauthorized access.
Multiple kernel flaws have been fixed.

Summary

Multiple kernel flaws have been fixed.

Software Description:

- linux-ti-omap4: Linux kernel for OMAP4

Details:

Ryan Sweat discovered that the kernel incorrectly handled certain VLAN

packets. On some systems, a remote attacker could send specially crafted

traffic to crash the system, leading to a denial of service.

(CVE-2011-1576)

Timo Warns discovered that the EFI GUID partition table was not correctly

parsed. A physically local attacker that could insert mountable devices

could exploit this to crash the system or possibly gain root privileges.

(CVE-2011-1776)

Dan Rosenberg discovered that the IPv4 diagnostic routines did not

correctly validate certain requests. A local attacker could exploit this to

consume CPU resources, leading to a denial of service. (CVE-2011-2213)

Dan Rosenberg discovered that the Bluetooth stack incorrectly handled

certain L2CAP requests. If a system was using Bluetooth, a remote attacker

could send specially crafted traffic to ...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service local privilege escalation remote access Ubuntu system update kernel flaw

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 10.10:
  linux-image-2.6.35-903-omap4    2.6.35-903.25

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

https://ubuntu.com/security/notices/USN-1220-1

CVE-2011-1576, CVE-2011-1776, CVE-2011-2213, CVE-2011-2497,

CVE-2011-2700, CVE-2011-2723, CVE-2011-2928, CVE-2011-3188,

CVE-2011-3191

Severity
critical
Lowest
Low
Medium
High
Critical

September 29, 2011

Topics%20covered

Topics Covered

security advisory denial of service local privilege escalation remote access Ubuntu system update kernel flaw

Package Information

https://launchpad.net/ubuntu/+source/linux-ti-omap4/2.6.35-903.25

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