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CVE-2015-7504

Status Candidate

Overview

Heap-based buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU allows guest OS administrators to cause a denial of service (instance crash) or possibly execute arbitrary code via a series of packets in loopback mode.

Related Files

Debian Security Advisory 3470-1
Posted Feb 10, 2016
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3470-1 - Several vulnerabilities were discovered in qemu-kvm, a full virtualization solution on x86 hardware.

tags | advisory, x86, vulnerability
systems | linux, debian
advisories | CVE-2015-7295, CVE-2015-7504, CVE-2015-7512, CVE-2015-8345, CVE-2015-8504, CVE-2015-8558, CVE-2015-8743, CVE-2016-1568, CVE-2016-1714, CVE-2016-1922
SHA-256 | 13f129df6383f3c46d755e426dc4ae221be8c7448d252cdc038c735cd688e0d9
Debian Security Advisory 3469-1
Posted Feb 10, 2016
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3469-1 - Several vulnerabilities were discovered in qemu, a full virtualization solution on x86 hardware.

tags | advisory, x86, vulnerability
systems | linux, debian
advisories | CVE-2015-7295, CVE-2015-7504, CVE-2015-7512, CVE-2015-8345, CVE-2015-8504, CVE-2015-8558, CVE-2015-8743, CVE-2016-1568, CVE-2016-1714, CVE-2016-1922
SHA-256 | 35b8aff41d4919be9547d1b6b6631c663af8239b7b71be86a2f71df756b394b7
Debian Security Advisory 3471-1
Posted Feb 10, 2016
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3471-1 - Several vulnerabilities were discovered in qemu, a full virtualization solution on x86 hardware.

tags | advisory, x86, vulnerability
systems | linux, debian
advisories | CVE-2015-7295, CVE-2015-7504, CVE-2015-7512, CVE-2015-7549, CVE-2015-8345, CVE-2015-8504, CVE-2015-8550, CVE-2015-8558, CVE-2015-8567, CVE-2015-8568, CVE-2015-8613, CVE-2015-8619, CVE-2015-8743, CVE-2015-8744, CVE-2015-8745, CVE-2016-1568, CVE-2016-1714, CVE-2016-1922, CVE-2016-1981
SHA-256 | 80c7a325e49ca44e15219690a760bf76916fa3b4cb01804b582a056e1da875a6
Gentoo Linux Security Advisory 201602-01
Posted Feb 4, 2016
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201602-1 - Multiple vulnerabilities have been found in QEMU, the worst of which may allow a remote attacker to cause a Denial of Service or gain elevated privileges from a guest VM. Versions less than 2.5.0-r1 are affected.

tags | advisory, remote, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2015-1779, CVE-2015-3456, CVE-2015-5225, CVE-2015-5278, CVE-2015-5279, CVE-2015-5745, CVE-2015-6815, CVE-2015-6855, CVE-2015-7295, CVE-2015-7504, CVE-2015-7512, CVE-2015-7549, CVE-2015-8345, CVE-2015-8504, CVE-2015-8556, CVE-2015-8558, CVE-2015-8567, CVE-2015-8568, CVE-2015-8666, CVE-2015-8701, CVE-2015-8743, CVE-2015-8744, CVE-2015-8745, CVE-2016-1568
SHA-256 | cae04eed58ae8cd630be1884c1bb0f33cd229432b115814282bbffc1e4740738
Red Hat Security Advisory 2015-2696-01
Posted Dec 22, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-2696-01 - KVM is a full virtualization solution for Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the user-space component for running virtual machines using KVM. A heap-based buffer overflow flaw was discovered in the way QEMU's AMD PC-Net II Ethernet Controller emulation received certain packets in loopback mode. A privileged user inside a guest could use this flaw to crash the host QEMU process or, potentially, execute arbitrary code with privileges of the host QEMU process.

tags | advisory, overflow, arbitrary
systems | linux, redhat
advisories | CVE-2015-7504, CVE-2015-7512
SHA-256 | 503cbc45cdc2f967fddc97f42c3cbcc07b370f89a3a3665b58d860c38d262596
Red Hat Security Advisory 2015-2695-01
Posted Dec 22, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-2695-01 - KVM is a full virtualization solution for Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the user-space component for running virtual machines using KVM. A heap-based buffer overflow flaw was discovered in the way QEMU's AMD PC-Net II Ethernet Controller emulation received certain packets in loopback mode. A privileged user inside a guest could use this flaw to crash the host QEMU process or, potentially, execute arbitrary code with privileges of the host QEMU process.

tags | advisory, overflow, arbitrary
systems | linux, redhat
advisories | CVE-2015-7504, CVE-2015-7512
SHA-256 | 634b5c5d6653bee90c43413700903f911828f921ca8203b0d45a775a1c4ef7b4
Red Hat Security Advisory 2015-2694-01
Posted Dec 22, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-2694-01 - KVM is a full virtualization solution for Linux on AMD64 and Intel 64 systems. The qemu-kvm package provides the user-space component for running virtual machines using KVM. A heap-based buffer overflow flaw was discovered in the way QEMU's AMD PC-Net II Ethernet Controller emulation received certain packets in loopback mode. A privileged user inside a guest could use this flaw to crash the host QEMU process or, potentially, execute arbitrary code with privileges of the host QEMU process.

tags | advisory, overflow, arbitrary
systems | linux, redhat
advisories | CVE-2015-7504, CVE-2015-7512
SHA-256 | 4e3e67c3d61bed804fd025dc4f5c0bcec19041a73d8307392711fe4ac6eb7d3c
Ubuntu Security Notice USN-2828-1
Posted Dec 3, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2828-1 - Jason Wang discovered that QEMU incorrectly handled the virtio-net device. A remote attacker could use this issue to cause guest network consumption, resulting in a denial of service. Qinghao Tang and Ling Liu discovered that QEMU incorrectly handled the pcnet driver when used in loopback mode. A malicious guest could use this issue to cause a denial of service, or possibly execute arbitrary code on the host as the user running the QEMU process. In the default installation, when QEMU is used with libvirt, attackers would be isolated by the libvirt AppArmor profile. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2015-7295, CVE-2015-7504, CVE-2015-7512, CVE-2015-8345
SHA-256 | fc0b08dbcf83bbc55bb54aad652eecb253d942b7951bfa2f15d8b8c01f810021
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