Audit Linux privileges now to limit compromise, escalation, and system-wide damage. Review Linux Privileges×

Alerts This Week
Warning Icon 1 525
Alerts This Week
Warning Icon 1 525

Ubuntu 12.04 LTS USN-2020-1 Critical: Multiple Kernel Flaws

ubuntu
Calendar Grey November 8, 2013
Scroller Ubuntu
Core vulnerabilities addressed in Ubuntu, eliminating data exposure risks and service interruption threats, enhancing system safety.
Several security issues were fixed in the kernel.

Summary

Several security issues were fixed in the kernel.

Software Description:

- linux-lts-raring: Linux hardware enablement kernel from Raring

Details:

An information leak was discovered in the handling of ICMPv6 Router

Advertisement (RA) messages in the Linux kernel's IPv6 network stack. A

remote attacker could exploit this flaw to cause a denial of service

(excessive retries and address-generation outage), and consequently obtain

sensitive information. (CVE-2013-0343)

Dan Carpenter discovered an information leak in the HP Smart Aray and

Compaq SMART2 disk-array driver in the Linux kernel. A local user could

exploit this flaw to obtain sensitive information from kernel memory.

(CVE-2013-2147)

Kees Cook discovered flaw in the Human Interface Device (HID) subsystem

when CONFIG_HID_ZEROPLUS is enabled. A physically proximate attacker could

leverage this flaw to cause a denial of service via a specially crafted

device. (CVE-2013-2889)

Kees Cook discovered anoth...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service information leak critical security fix Ubuntu kernel issue

Update Instructions

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

Ubuntu 12.04 LTS:
  linux-image-3.8.0-33-generic    3.8.0-33.48~precise1

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

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed. If
you use linux-restricted-modules, you have to update that package as
well to get modules which work with the new kernel version. Unless you
manually uninstalled the standard kernel metapackages (e.g. linux-generic,
linux-server, linux-powerpc), a standard system upgrade will automatically
perform this as well.

References

https://ubuntu.com/security/notices/USN-2020-1

CVE-2013-0343, CVE-2013-2147, CVE-2013-2889, CVE-2013-2893,

CVE-2013-2894, CVE-2013-2895, CVE-2013-2897, CVE-2013-4343

Severity
critical
Lowest
Low
Medium
High
Critical

November 08, 2013

Topics%20covered

Topics Covered

security advisory denial of service information leak critical security fix Ubuntu kernel issue

Package Information

https://launchpad.net/ubuntu/+source/linux-lts-raring/3.8.0-33.48~precise1

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.