qemu security update

12:2.9.0-17.el7 - i386: Remove generic SMT thread check Babu Moger Orabug: 28676425 - pc: Fix typo on PCCOMPAT212 Eduardo Habkost Orabug: 28676425 - i386: Enable TOPOEXT feature on AMD EPYC CPU Babu Moger Orabug: 28676425 - net: ignore packet size greater than INTMAX Jason Wang Orabug: 28762625...

QEMU Buffer Overflow Vulnerability (CNVD-2018-20656)

QEMU aka Quick Emulator is a set of 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 of the hw/net/pcnet.c file in QEMU, which stems from the program using...

DEBIAN-CVE-2018-17962

Qemu has a Buffer Overflow in pcnetreceive in hw/net/pcnet.c because an incorrect integer data type is used...

CVE-2018-17962

Qemu has a Buffer Overflow in pcnetreceive in hw/net/pcnet.c because an incorrect integer data type is used...

UBUNTU-CVE-2018-17962

Qemu has a Buffer Overflow in pcnetreceive in hw/net/pcnet.c because an incorrect integer data type is used...

DEBIAN-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...

Travel to the dark of the door! Debugee in QEMU-vulnerability warning-the black bar safety net

I haven't to secure guest posting, just recently the contact vulnerability discovery, and have been reading some of the classic fuzzer source code, at the same time also began to contact the virtualization escape this piece of content, at this time happened to come across two very classic exploit...

Fedora 23 : xen-4.5.2-5.fc23 (2015-12a089920e)

eepro100: Prevent two endless loops CVE-2015-8345, pcnet: fix rx buffer overflow CVE-2015-7512, ui: vnc: avoid floating point exception CVE-2015-8504, additional patch for XSA-158, CVE-2015-8338 long running memory operations on ARM XSA-158, CVE-2015-8338 XENMEMexchange error handling issues...

Xen Project Explains Patch SNAFU

Xen Project dropped the ball on two important security patches when it released a maintenance update for its popular hypervisor software on Tuesday. On its company blog today, Xen acknowledged what it called an “oversight” and attempted to explain what went wrong. Effected is maintenance release...

F5 Networks BIG-IP : Multiple QEMU vulnerabilities (K63519101)

CVE-2014-8106 Heap-based buffer overflow in the Cirrus VGA emulator hw/display/cirrusvga.c in QEMU before 2.2.0 allows local guest users to execute arbitrary code via vectors related to blit regions. NOTE: this vulnerability exists because an incomplete fix for CVE-2007-1320. CVE-2015-3209...

openSUSE Security Update : xen (openSUSE-2016-35)

This update for xen fixes the following security issues : - CVE-2015-8568 CVE-2015-8567: xen: qemu: net: vmxnet3: host memory leakage boo959387 - CVE-2015-8550: xen: paravirtualized drivers incautious about shared memory contents XSA-155, boo957988 - CVE-2015-8558: xen: qemu: usb: infinite loop i...

DEBIAN-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...

Oracle Linux 6 : qemu-kvm (ELSA-2015-2694)

The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2015-2694 advisory. - kvm-pcnet-fix-rx-buffer-overflow-CVE-2015-7512.patch bz1287950 Tenable has extracted the preceding description block directly from the Oracle Linux...

Qemu: net: pcnet: heap overflow vulnerability in pcnet_receive

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 with the CAPSYSRAWIO capability inside a guest could use this flaw to crash the host QEMU process resulting in denial of...

Qemu: net: pcnet: buffer overflow in non-loopback mode

A buffer overflow flaw was found in the way QEMU's AMD PC-Net II emulation validated certain received packets from a remote host in non-loopback mode. A remote, unprivileged attacker could potentially use this flaw to execute arbitrary code on the host with the privileges of the QEMU process. Not...

Qemu: net: pcnet: heap overflow vulnerability in pcnet_receive

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 with the CAPSYSRAWIO capability inside a guest could use this flaw to crash the host QEMU process resulting in denial of...

Qemu: net: pcnet: buffer overflow in non-loopback mode

A buffer overflow flaw was found in the way QEMU's AMD PC-Net II emulation validated certain received packets from a remote host in non-loopback mode. A remote, unprivileged attacker could potentially use this flaw to execute arbitrary code on the host with the privileges of the QEMU process. Not...

Qemu: net: pcnet: buffer overflow in non-loopback mode

A buffer overflow flaw was found in the way QEMU's AMD PC-Net II emulation validated certain received packets from a remote host in non-loopback mode. A remote, unprivileged attacker could potentially use this flaw to execute arbitrary code on the host with the privileges of the QEMU process. Not...

QEMU pcnet_receive 堆缓冲区溢出漏洞(CVE-2015-7504)

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： https://lists.gnu.org/archive/html/qemu-devel/2015-11/msg06342.html pcnet是虚拟化软件QEMU中实现AMD PCNET网卡功能模拟的组件，相关的代码实现位于/hw/net/pcnet.c中。 在qemu软件中使用pcnet网卡，需要如下的命令行进行配置： qemu-system-x8664 centos-6.5-x64.img -m 1024 - net nic,model=pcnet -net user...

360MarvelTeam virtualization vulnerability of the third bullet: CVE-2 0 1 5-7 5 0 4 vulnerability analysis-vulnerability warning-the black bar safety net

Recently amazon, Ali cloud and other cloud providers have received the xen official of the vulnerability notification email, in this email, the official statement MarvelTeam found and reported a high-risk vulnerability. Today's protagonist is this gold number CVE-2 0 1 5-7 5 0 4, a gold affects...