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CVE-2017-2620

Status Candidate

Overview

Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.

Related Files

Ubuntu Security Notice USN-3261-1
Posted Apr 20, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3261-1 - Zhenhao Hong discovered that QEMU incorrectly handled the Virtio GPU device. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 16.10. Li Qiang discovered that QEMU incorrectly handled the 6300esb watchdog. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2016-10028, CVE-2016-10029, CVE-2016-10155, CVE-2016-7907, CVE-2016-8667, CVE-2016-8669, CVE-2016-9381, CVE-2016-9602, CVE-2016-9603, CVE-2016-9776, CVE-2016-9845, CVE-2016-9846, CVE-2016-9907, CVE-2016-9908, CVE-2016-9911, CVE-2016-9912, CVE-2016-9913, CVE-2016-9914, CVE-2016-9915, CVE-2016-9916, CVE-2016-9921, CVE-2016-9922, CVE-2017-2615, CVE-2017-2620, CVE-2017-2633, CVE-2017-5525, CVE-2017-5526, CVE-2017-5552
MD5 | 915cb728441d7f074c130ac020c5589b
Gentoo Linux Security Advisory 201704-01
Posted Apr 11, 2017
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201704-1 - Multiple vulnerabilities have been found in QEMU, the worst of which could the worst of which could lead to arbitrary code execution, or cause a Denial of Service condition. Versions less than 2.8.0-r9 are affected.

tags | advisory, denial of service, arbitrary, vulnerability, code execution
systems | linux, gentoo
advisories | CVE-2016-9602, CVE-2017-2620, CVE-2017-2630, CVE-2017-5973, CVE-2017-5987, CVE-2017-6058, CVE-2017-6505
MD5 | b43e83a8132603e1a07d80cd66e4737a
Gentoo Linux Security Advisory 201703-07
Posted Mar 28, 2017
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201703-7 - A vulnerability in Xen's bundled QEMU version might allow privilege escalation. Versions less than 4.7.1-r8 are affected.

tags | advisory
systems | linux, gentoo
advisories | CVE-2017-2620
MD5 | 1935422ddfd83470bd734e8f7a4e4e60
Red Hat Security Advisory 2017-0454-01
Posted Mar 8, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0454-01 - KVM is a full virtualization solution for Linux on x86 hardware. Using KVM, one can run multiple virtual machines running unmodified Linux or Windows images. Each virtual machine has private virtualized hardware: a network card, disk, graphics adapter, etc. Security Fix: Quick emulator built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host.

tags | advisory, arbitrary, x86
systems | linux, redhat, windows
advisories | CVE-2017-2615, CVE-2017-2620
MD5 | e0cbac3c0bd575672829c58ac8271079
Red Hat Security Advisory 2017-0396-01
Posted Mar 2, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0396-01 - 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: Quick emulator built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host.

tags | advisory, arbitrary, kernel
systems | linux, redhat
advisories | CVE-2017-2615, CVE-2017-2620
MD5 | 5965cd67b6cc01da441914fe1589613a
Red Hat Security Advisory 2017-0352-01
Posted Mar 2, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0352-01 - 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: Quick emulator built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.

tags | advisory, arbitrary, kernel
systems | linux, redhat
advisories | CVE-2017-2620
MD5 | a643b5b12b856f508a20aa321e1efc9f
Red Hat Security Advisory 2017-0350-01
Posted Mar 2, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0350-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Security Fix: Quick emulator built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host.

tags | advisory, arbitrary
systems | linux, redhat
advisories | CVE-2016-2857, CVE-2017-2615, CVE-2017-2620
MD5 | 4c24f6985cfd3b66cf056a2d6a031979
Red Hat Security Advisory 2017-0351-01
Posted Mar 2, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0351-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Security Fix: Quick emulator built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.

tags | advisory, arbitrary
systems | linux, redhat
advisories | CVE-2017-2620
MD5 | bd5038a5f3970e98faf4cdf8392ada01
Red Hat Security Advisory 2017-0334-01
Posted Feb 27, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0334-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Security Fix: Quick emulator built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host.

tags | advisory, arbitrary
systems | linux, redhat
advisories | CVE-2016-2857, CVE-2017-2615, CVE-2017-2620
MD5 | 4bbd6bd09c3b246f482fc2b62926418e
Red Hat Security Advisory 2017-0333-01
Posted Feb 27, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0333-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Security Fix: Quick emulator built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host.

tags | advisory, arbitrary
systems | linux, redhat
advisories | CVE-2017-2615, CVE-2017-2620
MD5 | 16e4a517931cc12a8bb01d818e0d5343
Red Hat Security Advisory 2017-0332-01
Posted Feb 27, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0332-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Security Fix: Quick emulator built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host.

tags | advisory, arbitrary
systems | linux, redhat
advisories | CVE-2017-2615, CVE-2017-2620
MD5 | eb91302f210030c128fefd92d10a0fad
Red Hat Security Advisory 2017-0331-01
Posted Feb 27, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0331-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Security Fix: Quick emulator built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host.

tags | advisory, arbitrary
systems | linux, redhat
advisories | CVE-2017-2615, CVE-2017-2620
MD5 | 53658d2353e230abbc9bd206b0da45da
Red Hat Security Advisory 2017-0330-01
Posted Feb 27, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0330-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Security Fix: Quick emulator built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host.

tags | advisory, arbitrary
systems | linux, redhat
advisories | CVE-2017-2615, CVE-2017-2620
MD5 | e7cf08c033d78308bc148d768b15b322
Red Hat Security Advisory 2017-0329-01
Posted Feb 27, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0329-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Security Fix: Quick emulator built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host.

tags | advisory, arbitrary
systems | linux, redhat
advisories | CVE-2017-2615, CVE-2017-2620
MD5 | 8e993a0ecb55fd8dce4e855bdabab68a
Red Hat Security Advisory 2017-0328-01
Posted Feb 27, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0328-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Security Fix: Quick emulator built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host.

tags | advisory, arbitrary
systems | linux, redhat
advisories | CVE-2017-2615, CVE-2017-2620
MD5 | 6ccf54e9058076d9e5bb326e51077ebf
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