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Ubuntu 14.04 ESM USN-4467-2 Moderate: QEMU DoS Resolved

ubuntu
Calendar Grey February 2, 2021
Dist Ubuntu Esm H88
Multiple vulnerabilities were addressed in QEMU impacting Ubuntu 14.04, resolving possible 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

Details:

USN-4467-1 fixed several vulnerabilities in QEMU. This update provides

the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that the QEMU SD memory card implementation incorrectly

handled certain memory operations. An attacker inside a guest could

possibly use this issue to cause QEMU to crash, resulting in a denial of

service. (CVE-2020-13253)

Ren Ding and Hanqing Zhao discovered that the QEMU ES1370 audio driver

incorrectly handled certain invalid frame counts. An attacker inside a

guest could possibly use this issue to cause QEMU to crash, resulting in a

denial of service. (CVE-2020-13361)

Ren Ding and Hanqing Zhao discovered that the QEMU MegaRAID SAS SCSI driver

incorrectly handled certain memory operations. An attacker inside a guest

could possibly use this issue to cause QEMU to crash, resulting in a denial

...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service update moderate severity ubuntu dos qemu

Update Instructions

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

Ubuntu 14.04 ESM:
  qemu                            2.0.0+dfsg-2ubuntu1.47+esm1
  qemu-system                     2.0.0+dfsg-2ubuntu1.47+esm1
  qemu-system-aarch64             2.0.0+dfsg-2ubuntu1.47+esm1
  qemu-system-arm                 2.0.0+dfsg-2ubuntu1.47+esm1
  qemu-system-mips                2.0.0+dfsg-2ubuntu1.47+esm1
  qemu-system-misc                2.0.0+dfsg-2ubuntu1.47+esm1
  qemu-system-ppc                 2.0.0+dfsg-2ubuntu1.47+esm1
  qemu-system-sparc               2.0.0+dfsg-2ubuntu1.47+esm1
  qemu-system-x86                 2.0.0+dfsg-2ubuntu1.47+esm1

After a standard system update you need to restart all QEMU virtual
machines to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4467-2

https://ubuntu.com/security/notices/USN-4467-1

CVE-2020-13253, CVE-2020-13361, CVE-2020-13362, CVE-2020-13659,

CVE-2020-13754, CVE-2020-14364

Severity
important
Lowest
Low
Medium
High
Critical

February 02, 2021

Topics%20covered

Topics Covered

security advisory denial of service update moderate severity ubuntu dos qemu

Package Information

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