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CVE-2016-3712

Status Candidate

Overview

Integer overflow in the VGA module in QEMU allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) by editing VGA registers in VBE mode.

Related Files

Red Hat Security Advisory 2017-0621-01
Posted Mar 21, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0621-01 - Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Security Fix: An integer overflow flaw and an out-of-bounds read flaw were found in the way QEMU's VGA emulator set certain VGA registers while in VBE mode. A privileged guest user could use this flaw to crash the QEMU process instance.

tags | advisory, overflow, kernel
systems | linux, redhat
advisories | CVE-2016-3712
MD5 | 77718ec50b9128d67477c5bee86032ee
Red Hat Security Advisory 2016-2585-02
Posted Nov 3, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-2585-02 - Kernel-based Virtual Machine is a full virtualization solution for Linux on AMD64 and Intel 64 systems. The qemu-kvm packages provide the user-space component for running virtual machines using KVM. Security Fix: An integer overflow flaw and an out-of-bounds read flaw were found in the way QEMU's VGA emulator set certain VGA registers while in VBE mode. A privileged guest user could use this flaw to crash the QEMU process instance.

tags | advisory, overflow, kernel
systems | linux, redhat
advisories | CVE-2016-1981, CVE-2016-3712
MD5 | 9d2454ec2da873e1594651d931995698
Ubuntu Security Notice USN-2974-1
Posted May 12, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2974-1 - Zuozhi Fzz discovered that QEMU incorrectly handled USB OHCI emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. Qinghao Tang discovered that QEMU incorrectly handled USB Net emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. Qinghao Tang discovered that QEMU incorrectly handled USB Net emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly leak host memory bytes. Various other issues were also addressed.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2016-2391, CVE-2016-2392, CVE-2016-2538, CVE-2016-2841, CVE-2016-2857, CVE-2016-2858, CVE-2016-3710, CVE-2016-3712, CVE-2016-4001, CVE-2016-4002, CVE-2016-4020, CVE-2016-4037
MD5 | c2708302081e86ba5d1224f981e5cb22
Debian Security Advisory 3573-1
Posted May 10, 2016
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3573-1 - Several vulnerabilities were discovered in qemu, a fast processor emulator.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2016-3710, CVE-2016-3712
MD5 | 6649d919f0d38357070f3130c644e872
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