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Ubuntu 14.04 LTS: USN-2977-1 Moderate: Linux Kernel Denial Of Service

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Calendar Grey May 16, 2016
Scroller Ubuntu
The vulnerabilities linked to system faults or unauthorized access are tackled in Ubuntu Security Notice USN-2952-1 concerning linux-lts-bionic.
The system could be made to crash or run programs as an administrator.

Summary

The system could be made to crash or run programs as an administrator.

Software Description:

- linux-lts-vivid: Linux hardware enablement kernel from Vivid for Trusty

Details:

Philip Pettersson discovered that the Linux kernel's ASN.1 DER decoder did

not properly process certificate files with tags of indefinite length. A

local unprivileged attacker could use this to cause a denial of service

(system crash) or possibly execute arbitrary code with administrative

privileges.

Topics%20covered

Topics Covered

security advisory denial of service ubuntu system crash linux-lts-vivid

Update Instructions

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

Ubuntu 14.04 LTS:
  linux-image-3.19.0-59-generic   3.19.0-59.66~14.04.1
  linux-image-3.19.0-59-generic-lpae  3.19.0-59.66~14.04.1
  linux-image-3.19.0-59-lowlatency  3.19.0-59.66~14.04.1
  linux-image-3.19.0-59-powerpc-e500mc  3.19.0-59.66~14.04.1
  linux-image-3.19.0-59-powerpc-smp  3.19.0-59.66~14.04.1
  linux-image-3.19.0-59-powerpc64-emb  3.19.0-59.66~14.04.1
  linux-image-3.19.0-59-powerpc64-smp  3.19.0-59.66~14.04.1

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.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-vivid, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.

References

https://ubuntu.com/security/notices/USN-2977-1

CVE-2016-0758

May 16, 2016

Topics%20covered

Topics Covered

security advisory denial of service ubuntu system crash linux-lts-vivid

Package Information

https://launchpad.net/ubuntu/+source/linux-lts-vivid/3.19.0-59.66~14.04.1

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