Advisory Published

USN-4467-2: QEMU vulnerabilities

First published: Tue Feb 02 2021(Updated: )

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 of service. (CVE-2020-13362) Alexander Bulekov discovered that QEMU MegaRAID SAS SCSI driver incorrectly handled certain memory space operations. An attacker inside a guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2020-13659) Ren Ding, Hanqing Zhao, Alexander Bulekov, and Anatoly Trosinenko discovered that the QEMU incorrectly handled certain msi-x mmio operations. An attacker inside a guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2020-13754) Ziming Zhang, Xiao Wei, Gonglei Arei and Yanyu Zhang discovered that QEMU incorrectly handled certain USB packets. An attacker could possibly use this to expose sensitive information or execute arbitrary code. (CVE-2020-14364)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/qemu-system-sparc<2.0.0+dfsg-2ubuntu1.47+esm1
2.0.0+dfsg-2ubuntu1.47+esm1
=14.04
All of
ubuntu/qemu-system-misc<2.0.0+dfsg-2ubuntu1.47+esm1
2.0.0+dfsg-2ubuntu1.47+esm1
=14.04
All of
ubuntu/qemu-system-arm<2.0.0+dfsg-2ubuntu1.47+esm1
2.0.0+dfsg-2ubuntu1.47+esm1
=14.04
All of
ubuntu/qemu-system<2.0.0+dfsg-2ubuntu1.47+esm1
2.0.0+dfsg-2ubuntu1.47+esm1
=14.04
All of
ubuntu/qemu-system-aarch64<2.0.0+dfsg-2ubuntu1.47+esm1
2.0.0+dfsg-2ubuntu1.47+esm1
=14.04
All of
ubuntu/qemu-system-x86<2.0.0+dfsg-2ubuntu1.47+esm1
2.0.0+dfsg-2ubuntu1.47+esm1
=14.04
All of
ubuntu/qemu<2.0.0+dfsg-2ubuntu1.47+esm1
2.0.0+dfsg-2ubuntu1.47+esm1
=14.04
All of
ubuntu/qemu-system-ppc<2.0.0+dfsg-2ubuntu1.47+esm1
2.0.0+dfsg-2ubuntu1.47+esm1
=14.04
All of
ubuntu/qemu-system-mips<2.0.0+dfsg-2ubuntu1.47+esm1
2.0.0+dfsg-2ubuntu1.47+esm1
=14.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What vulnerabilities did USN-4467-2 fix?

    The USN-4467-2 update fixed several vulnerabilities in QEMU.

  • What is the affected software version for USN-4467-2?

    The affected software version for USN-4467-2 is QEMU version 2.0.0+dfsg-2ubuntu1.47+esm1.

  • How can an attacker exploit the vulnerabilities fixed by USN-4467-2?

    An attacker inside a guest could possibly use these vulnerabilities to cause a denial of service or execute arbitrary code in the host operating system.

  • Are there any known references for the vulnerabilities fixed by USN-4467-2?

    Yes, you can find more information about the vulnerabilities fixed by USN-4467-2 on the Ubuntu Security Notices website: [CVE-2020-13362](https://ubuntu.com/security/CVE-2020-13362), [CVE-2020-13253](https://ubuntu.com/security/CVE-2020-13253), [CVE-2020-14364](https://ubuntu.com/security/CVE-2020-14364).

  • What should I do to protect my system from the vulnerabilities fixed by USN-4467-2?

    To protect your system, make sure to update QEMU to version 2.0.0+dfsg-2ubuntu1.47+esm1 or later.

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