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Ubuntu 10.04 LTS: 1387-2 Critical Security Flaws Causing Denial Of Service

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Calendar Grey March 6, 2012
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Multiple vulnerabilities addressed in the Ubuntu kernel, impacting local users and increasing the potential for denial of service attacks.
Several security issues were fixed in the kernel.

Summary

Several security issues were fixed in the kernel.

Software Description:

- linux-lts-backport-maverick: Linux kernel backport from Maverick

Details:

Aristide Fattori and Roberto Paleari reported a flaw in the Linux kernel's

handling of IPv4 icmp packets. A remote user could exploit this to cause a

denial of service. (CVE-2011-1927)

A flaw was found in the Linux Ethernet bridge's handling of IGMP (Internet

Group Management Protocol) packets. An unprivileged local user could

exploit this flaw to crash the system. (CVE-2011-0716)

Han-Wen Nienhuys reported a flaw in the FUSE kernel module. A local user

who can mount a FUSE file system could cause a denial of service.

(CVE-2011-3353)

A flaw was discovered in the Linux kernel's AppArmor security interface

when invalid information was written to it. An unprivileged local user

could use this to cause a denial of service on the system. (CVE-2011-3619)

A flaw was found in KVM's Programmable Interval Timer (PIT)....

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service security issue software update kernel ubuntu

Update Instructions

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

Ubuntu 10.04 LTS:
  linux-image-2.6.35-32-generic   2.6.35-32.66~lucid1
  linux-image-2.6.35-32-generic-pae  2.6.35-32.66~lucid1
  linux-image-2.6.35-32-server    2.6.35-32.66~lucid1
  linux-image-2.6.35-32-virtual   2.6.35-32.66~lucid1

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

References

https://ubuntu.com/security/notices/USN-1387-1

CVE-2011-0716, CVE-2011-1927, CVE-2011-3353, CVE-2011-3619,

CVE-2011-4622, CVE-2012-0038, CVE-2012-0044

Severity
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Critical

March 06, 2012

Topics%20covered

Topics Covered

security advisory denial of service security issue software update kernel ubuntu

Package Information

https://launchpad.net/ubuntu/+source/linux-lts-backport-maverick/2.6.35-32.66~lucid1

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