Arbitrary Code Execution

qemu-kvm-rhev is vulnerable to arbitrary code execution attacks. The vulnerability exists as a heap-based buffer overflow in the PCNET controller in QEMU allows remote attackers to execute arbitrary code by sending a packet with TXSTATUSSTARTPACKET set and then a crafted packet with...

SUSE SLES11 Security Update : xen (SUSE-SU-2019:13921-1)

This update for xen fixes the following issues : Security vulnerabilities fixed : CVE-2018-19961, CVE-2018-19962: Fixed an issue related to insufficient TLB flushing with AMD IOMMUs, which potentially allowed a guest to escalate its privileges, may cause a Denial of Service DoS affecting the enti...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : QEMU vulnerabilities (USN-3826-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3826-1 advisory. Daniel Shapira and Arash Tohidi discovered that QEMU incorrectly handled NE2000 device emulation. An attacker inside the guest...

USN-3826-1 qemu vulnerabilities

Daniel Shapira and Arash Tohidi discovered that QEMU incorrectly handled NE2000 device emulation. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. CVE-2018-10839 It was discovered that QEMU incorrectly handled the Slirp networking back-en...

USN-3826-1: QEMU vulnerabilities

Daniel Shapira and Arash Tohidi discovered that QEMU incorrectly handled NE2000 device emulation. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. CVE-2018-10839 It was discovered that QEMU incorrectly handled the Slirp networking back-en...

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...

PT-2016-7424

Name of the Vulnerable Software and Affected Versions QEMU aka Quick Emulator affected versions not specified Description The issue allows local guest OS administrators to cause a denial of service, resulting in an infinite loop and QEMU process crash. This can be achieved by setting the receive ...

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...