CWE
119 416
Advisory Published

USN-4191-1: QEMU vulnerabilities

First published: Thu Nov 14 2019(Updated: )

It was discovered that the LSI SCSI adapter emulator implementation in QEMU did not properly validate executed scripts. A local attacker could use this to cause a denial of service. (CVE-2019-12068) Sergej Schumilo, Cornelius Aschermann and Simon Wörner discovered that the qxl paravirtual graphics driver implementation in QEMU contained a null pointer dereference. A local attacker in a guest could use this to cause a denial of service. (CVE-2019-12155) Riccardo Schirone discovered that the QEMU bridge helper did not properly validate network interface names. A local attacker could possibly use this to bypass ACL restrictions. (CVE-2019-13164) It was discovered that a heap-based buffer overflow existed in the SLiRP networking implementation of QEMU. A local attacker in a guest could use this to cause a denial of service or possibly execute arbitrary code in the host. (CVE-2019-14378) It was discovered that a use-after-free vulnerability existed in the SLiRP networking implementation of QEMU. A local attacker in a guest could use this to cause a denial of service. (CVE-2019-15890)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/qemu<1:4.0+dfsg-0ubuntu9.1
1:4.0+dfsg-0ubuntu9.1
=19.10
All of
ubuntu/qemu-kvm<1:4.0+dfsg-0ubuntu9.1
1:4.0+dfsg-0ubuntu9.1
=19.10
All of
ubuntu/qemu-system-common<1:4.0+dfsg-0ubuntu9.1
1:4.0+dfsg-0ubuntu9.1
=19.10
All of
ubuntu/qemu-system-gui<1:4.0+dfsg-0ubuntu9.1
1:4.0+dfsg-0ubuntu9.1
=19.10
All of
ubuntu/qemu-system-x86<1:4.0+dfsg-0ubuntu9.1
1:4.0+dfsg-0ubuntu9.1
=19.10
All of
ubuntu/qemu-user-static<1:4.0+dfsg-0ubuntu9.1
1:4.0+dfsg-0ubuntu9.1
=19.10
All of
ubuntu/qemu-utils<1:4.0+dfsg-0ubuntu9.1
1:4.0+dfsg-0ubuntu9.1
=19.10
All of
ubuntu/qemu<1:3.1+dfsg-2ubuntu3.6
1:3.1+dfsg-2ubuntu3.6
=19.04
All of
ubuntu/qemu-kvm<1:3.1+dfsg-2ubuntu3.6
1:3.1+dfsg-2ubuntu3.6
=19.04
All of
ubuntu/qemu-system-common<1:3.1+dfsg-2ubuntu3.6
1:3.1+dfsg-2ubuntu3.6
=19.04
All of
ubuntu/qemu-system-gui<1:3.1+dfsg-2ubuntu3.6
1:3.1+dfsg-2ubuntu3.6
=19.04
All of
ubuntu/qemu-system-x86<1:3.1+dfsg-2ubuntu3.6
1:3.1+dfsg-2ubuntu3.6
=19.04
All of
ubuntu/qemu-user-static<1:3.1+dfsg-2ubuntu3.6
1:3.1+dfsg-2ubuntu3.6
=19.04
All of
ubuntu/qemu-utils<1:3.1+dfsg-2ubuntu3.6
1:3.1+dfsg-2ubuntu3.6
=19.04
All of
ubuntu/qemu<1:2.11+dfsg-1ubuntu7.20
1:2.11+dfsg-1ubuntu7.20
=18.04
All of
ubuntu/qemu-kvm<1:2.11+dfsg-1ubuntu7.20
1:2.11+dfsg-1ubuntu7.20
=18.04
All of
ubuntu/qemu-system-common<1:2.11+dfsg-1ubuntu7.20
1:2.11+dfsg-1ubuntu7.20
=18.04
All of
ubuntu/qemu-system-x86<1:2.11+dfsg-1ubuntu7.20
1:2.11+dfsg-1ubuntu7.20
=18.04
All of
ubuntu/qemu-user-static<1:2.11+dfsg-1ubuntu7.20
1:2.11+dfsg-1ubuntu7.20
=18.04
All of
ubuntu/qemu-utils<1:2.11+dfsg-1ubuntu7.20
1:2.11+dfsg-1ubuntu7.20
=18.04
All of
ubuntu/qemu<1:2.5+dfsg-5ubuntu10.42
1:2.5+dfsg-5ubuntu10.42
=16.04
All of
ubuntu/qemu-kvm<1:2.5+dfsg-5ubuntu10.42
1:2.5+dfsg-5ubuntu10.42
=16.04
All of
ubuntu/qemu-system-common<1:2.5+dfsg-5ubuntu10.42
1:2.5+dfsg-5ubuntu10.42
=16.04
All of
ubuntu/qemu-system-x86<1:2.5+dfsg-5ubuntu10.42
1:2.5+dfsg-5ubuntu10.42
=16.04
All of
ubuntu/qemu-user-static<1:2.5+dfsg-5ubuntu10.42
1:2.5+dfsg-5ubuntu10.42
=16.04
All of
ubuntu/qemu-utils<1:2.5+dfsg-5ubuntu10.42
1:2.5+dfsg-5ubuntu10.42
=16.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of CVE-2019-12068?

    The severity of CVE-2019-12068 is moderate.

  • How do I fix CVE-2019-12068?

    To fix CVE-2019-12068, update to version 1:4.0+dfsg-0ubuntu9.1 of QEMU.

  • What is the severity of CVE-2019-12155?

    The severity of CVE-2019-12155 is moderate.

  • How do I fix CVE-2019-12155?

    To fix CVE-2019-12155, update to version 1:4.0+dfsg-0ubuntu9.1 of QEMU.

  • What is the severity of CVE-2019-13164?

    The severity of CVE-2019-13164 is moderate.

  • How do I fix CVE-2019-13164?

    To fix CVE-2019-13164, update to version 1:4.0+dfsg-0ubuntu9.1 of QEMU.

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