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Alerts This Week
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Ubuntu 14.04 LTS USN-2342-1 Critical QEMU Denial Of Service

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Calendar Grey September 8, 2014
Scroller Ubuntu
Ubuntu users must prioritize the latest QEMU security patches. Immediate action is essential to safeguard systems from potential remote execution risks and denial-of-service threats.
Several security issues were fixed in QEMU.

Summary

Several security issues were fixed in QEMU.

Software Description:

- qemu: Machine emulator and virtualizer

- qemu-kvm: Machine emulator and virtualizer

Details:

Michael S. Tsirkin, Anthony Liguori, and Michael Roth discovered multiple

issues with QEMU state loading after migration. An attacker able to modify

the state data could use these issues to cause a denial of service, or

possibly execute arbitrary code. (CVE-2013-4148, CVE-2013-4149,

CVE-2013-4150, CVE-2013-4151, CVE-2013-4526, CVE-2013-4527, CVE-2013-4529,

CVE-2013-4530, CVE-2013-4531, CVE-2013-4532, CVE-2013-4533, CVE-2013-4534,

CVE-2013-4535, CVE-2013-4536, CVE-2013-4537, CVE-2013-4538, CVE-2013-4539,

CVE-2013-4540, CVE-2013-4541, CVE-2013-4542, CVE-2013-6399, CVE-2014-0182,

CVE-2014-3461)

Kevin Wolf, Stefan Hajnoczi, Fam Zheng, Jeff Cody, Stefan Hajnoczi, and

others discovered multiple issues in the QEMU block drivers. An attacker

able to modify disk images could use these issues to cause a denia...

Read the Full Advisory

Update Instructions

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

Ubuntu 14.04 LTS:
  qemu-system                     2.0.0+dfsg-2ubuntu1.3
  qemu-system-aarch64             2.0.0+dfsg-2ubuntu1.3
  qemu-system-arm                 2.0.0+dfsg-2ubuntu1.3
  qemu-system-mips                2.0.0+dfsg-2ubuntu1.3
  qemu-system-misc                2.0.0+dfsg-2ubuntu1.3
  qemu-system-ppc                 2.0.0+dfsg-2ubuntu1.3
  qemu-system-sparc               2.0.0+dfsg-2ubuntu1.3
  qemu-system-x86                 2.0.0+dfsg-2ubuntu1.3

Ubuntu 12.04 LTS:
  qemu-kvm                        1.0+noroms-0ubuntu14.17

Ubuntu 10.04 LTS:
  qemu-kvm                        0.12.3+noroms-0ubuntu9.24

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

References

https://ubuntu.com/security/notices/USN-2342-1

CVE-2013-4148, CVE-2013-4149, CVE-2013-4150, CVE-2013-4151,

CVE-2013-4526, CVE-2013-4527, CVE-2013-4529, CVE-2013-4530,

CVE-2013-4531, CVE-2013-4532, CVE-2013-4533, CVE-2013-4534,

CVE-2013-4535, CVE-2013-4536, CVE-2013-4537, CVE-2013-4538,

CVE-2013-4539, CVE-2013-4540, CVE-2013-4541, CVE-2013-4542,

CVE-2013-6399, CVE-2014-0142, CVE-2014-0143, CVE-2014-0144,

CVE-2014-0145, CVE-2014-0146, CVE-2014-0147, CVE-2014-0182,

CVE-2014-0222, CVE-2014-0223, CVE-2014-3461, CVE-2014-3471

Severity
critical
Lowest
Low
Medium
High
Critical

September 08, 2014

Package Information

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