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Ubuntu 11.04: USN-1383-1 Moderate: Linux Kernel OMAP4 DoS Fix

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Calendar Grey March 6, 2012
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Numerous bugs resolved in Ubuntu 11.04 pertaining to linux-ti-omap4, tackling vulnerabilities related to denial of service and elevation of privileges.
Several security issues were fixed in the kernel.

Summary

Several security issues were fixed in the kernel.

Software Description:

- linux-ti-omap4: Linux kernel for OMAP4

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)

Dan Rosenberg reported an error in the old ABI compatibility layer of ARM

kernels. A local attacker could exploit this flaw to cause a denial of

service or gain root privileges. (CVE-2011-1759)

Ben Hutchings reported a flaw in the kernel's handling of corrupt LDM

partitions. A local user could exploit this to cause a denial of service or

escalate privileges. (CVE-2011-2182)

The linux kernel did not properly account for PTE pages when deciding which

task to kill in out of memory conditions. A local, unprivileged could

exploit this flaw to cause a denial of service. (CVE-2011-2498)

A flaw was discovered in the TOMOYO LSM's handling of mount system call...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service privilege escalation ubuntu linux kernel

Update Instructions

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

Ubuntu 11.04:
  linux-image-2.6.38-1209-omap4   2.6.38-1209.22

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

References

https://ubuntu.com/security/notices/USN-1383-1

CVE-2011-1759, CVE-2011-1927, CVE-2011-2182, CVE-2011-2498,

CVE-2011-2518, CVE-2011-3619

March 06, 2012

Topics%20covered

Topics Covered

security advisory denial of service privilege escalation ubuntu linux kernel

Package Information

https://launchpad.net/ubuntu/+source/linux-ti-omap4/2.6.38-1209.22

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