USN-2828-1 qemu, qemu-kvm vulnerabilities

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. CVE-2015-7295 Qinghao Tang and Ling Liu discovered that QEMU incorrectly handled the pcnet driver when used in...

USN-2828-1: QEMU vulnerabilities

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. CVE-2015-7295 Qinghao Tang and Ling Liu discovered that QEMU incorrectly handled the pcnet driver when used in...

QEMU AMD PC-Net II Ethernet Controller Packet Length Buffer Overflow Vulnerability

QEMU is a simulation processor software developed by French programmer Fabrice Bellard. The software is fast and cross-platform. A buffer overflow vulnerability exists in the 'pcnetreceive' function in the hw/net/pcnet.c file in QEMU version 2.5.0, which originates from the program failing to...

QEMU AMD PC-Net II Ethernet Controller CRC Handling Buffer Overflow Vulnerability

QEMU is a simulation processor software developed by French programmer Fabrice Bellard. The software is fast and cross-platform. A buffer overflow vulnerability exists in the 'pcnettransmit' function in QEMU's hw/net/pcnet.c file, which originates from the program's failure to correctly validate...

heap buffer overflow vulnerability in pcnet emulator

ISSUE DESCRIPTION The QEMU security team has predisclosed the following advisory: The AMD PC-Net II emulatorhw/net/pcnet.c, while receiving packets in loopback mode, appends CRC code to the receive buffer. If the data size given is same as the buffer size4096, the appended CRC code overwrites 4...

UBUNTU-CVE-2015-7504

Heap-based buffer overflow in the pcnetreceive 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...

UBUNTU-CVE-2015-7512

Buffer overflow in the pcnetreceive function in hw/net/pcnet.c in QEMU, when a guest NIC has a larger MTU, allows remote attackers to cause a denial of service guest OS crash or execute arbitrary code via a large packet...

GLSA-201510-02 : QEMU: Arbitrary code execution

The remote host is affected by the vulnerability described in GLSA-201510-02 QEMU: Arbitrary code execution Heap-based buffer overflow has been found in QEMUs PCNET controller. Impact : A remote attacker could execute arbitrary code via a specially crafted packets. Workaround : There is no known...

QEMU: Arbitrary code execution

Background QEMU is a generic and open source machine emulator and virtualizer. Description Heap-based buffer overflow has been found in QEMU’s PCNET controller. Impact A remote attacker could execute arbitrary code via a specially crafted packets. Workaround There is no known workaround at this...

Fedora 21 : qemu-2.1.3-9.fc21 (2015-13404)

Fix crash in qemuspicecreatedisplay bz 1163047 CVE-2015-3209: pcnet: multi-tmd buffer overflow in the tx path bz 1230536 CVE-2015-3214: i8254: out-of-bounds memory access bz 1243728 CVE-2015-5154: ide: atapi: heap overflow during I/O buffer memory access bz 1247141 CVE-2015-5745: buffer overflow...

SUSE SLES11 Security Update : kvm (SUSE-SU-2015:1426-1)

kvm was updated to fix two security issues. The following vulnerabilities were fixed : - CVE-2015-5154: Host code execution via IDE subsystem CD-ROM bsc938344. - CVE-2015-3209: Fix buffer overflow in pcnet emulation bsc932770. Note that Tenable Network Security has extracted the preceding...

MGASA-2015-0310 Updated qemu package fixes security vulnerability

Matt Tait discovered that QEMU incorrectly handled the virtual PCNET driver. 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 CVE-2015-3209. Kurt Seifried discovered that QEMU incorrectly handl...

SUSE-SU-2015:1426-1 Security update for kvm

kvm was updated to fix two security issues. The following vulnerabilities were fixed: - CVE-2015-5154: Host code execution via IDE subsystem CD-ROM bsc938344. - CVE-2015-3209: Fix buffer overflow in pcnet emulation bsc932770...

CentOS Update for kmod-kvm CESA-2015:1189 centos5

Check the version of kmod-kvm SPDX-FileCopyrightText: 2015 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription scriptoid"1.3.6.1.4.1.25623.1.0.882211";...

FreeBSD : qemu -- Heap overflow in QEMU PCNET controller, allowing guest to host escape (CVE-2015-3209) (acd5d037-1c33-11e5-be9c-6805ca1d3bb1)

The QEMU security team reports : A guest which has access to an emulated PCNET network device e.g. with 'model=pcnet' in their VIF configuration can exploit this vulnerability to take over the qemu process elevating its privilege to that of the qemu process. %NASLMINLEVEL 70300 C Tenable Network...

Oracle Linux 5 : kvm (ELSA-2015-1189)

The remote Oracle Linux 5 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2015-1189 advisory. kvm-83-273.0.1.el5 - Added kvm-add-oracle-workaround-for-libvirt-bug.patch - Added kvm-Introduce-oel-machine-type.patch kvm-83.273.el5 -...

RHEL 5 : kvm (RHSA-2015:1189)

Updated kvm packages that fix one security issue are now available for Red Hat Enterprise Linux 5. Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available from t...

qemu: pcnet: multi-tmd buffer overflow in the tx path

A flaw was found in the way QEMU's AMD PCnet Ethernet emulation handled multi-TMD packets with a length above 4096 bytes. A privileged guest user in a guest with an AMD PCNet ethernet card enabled could potentially use this flaw to execute arbitrary code on the host with the privileges of the...

Important: Red Hat Security Advisory: kvm security update

Updated kvm packages that fix one security issue are now available for Red Hat Enterprise Linux 5. Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available from t...

kvm security update

kvm-83-273.0.1.el5 - Added kvm-add-oracle-workaround-for-libvirt-bug.patch - Added kvm-Introduce-oel-machine-type.patch kvm-83.273.el5 - kvm-pcnet-Properly-handle-TX-requests-during-Link-Fail.patch bz1225896 - kvm-pcnet-fix-Negative-array-index-read.patch bz1225896 -...