Information Disclosure

qemu-kvm-rhev is vulnerable to information disclosure attacks. The vulnerability exists as the C+ mode offload emulation in the RTL8139 network card device model in QEMU, as used in Xen 4.5.x and earlier, allows remote attackers to read process heap memory via unspecified vectors...

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...

SUSE SLES12 Security Update : qemu (SUSE-SU-2018:4237-1)

This update for qemu fixes the following issues : Security issues fixed : CVE-2018-10839: Fixed NE2000 NIC emulation support that is vulnerable to an integer overflow, which could lead to buffer overflow issue. It could occur when receiving packets over the network. A user inside guest could use...

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 'rtl8139_do_receive' function buffer overflow vulnerability

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 'rtl8139doreceive' function of the hw/net/rtl8139.c file in QEMU, which stems from the program...

DEBIAN-CVE-2018-17958

Qemu has a Buffer Overflow in rtl8139doreceive in hw/net/rtl8139.c because an incorrect integer data type is used...

CVE-2018-17958

Qemu has a Buffer Overflow in rtl8139doreceive in hw/net/rtl8139.c because an incorrect integer data type is used...

UBUNTU-CVE-2018-17958

Qemu has a Buffer Overflow in rtl8139doreceive in hw/net/rtl8139.c because an incorrect integer data type is used...

RHEL 7 : qemu-kvm-rhev (RHSA-2015:1739)

Updated qemu-kvm-rhev packages that fix one security issue are now available for Red Hat Enterprise Virtualization Hypervisor 7. Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severit...

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...

Qemu: net: rtl8139: infinite loop while transmit in C+ mode

The rtl8139cplustransmit function in hw/net/rtl8139.c in QEMU aka Quick Emulator allows local guest OS administrators to cause a denial of service infinite loop and CPU consumption by leveraging failure to limit the ring descriptor count...

Security update for xen (important)

This updates xen to version 4.4.406 to fix the following issues: - An unprivileged user in a guest could gain guest could escalate privilege to that of the guest kernel, if it had could invoke the instruction emulator. Only 64-bit x86 HVM guest were affected. Linux guest have not been vulnerable...

SUSE SLES11 Security Update : xen (SUSE-SU-2016:3273-1)

This update for xen fixes several issues. These security issues were fixed : - CVE-2016-9637: ioport array overflow allowing a malicious guest administrator can escalate their privilege to that of the host bsc1011652 - CVE-2016-9386: x86 null segments were not always treated as unusable allowing ...

SUSE SLES11 Security Update : kvm (SUSE-SU-2016:2902-1)

This update for kvm fixes the following issues : - Address various security/stability issues - Fix OOB access in xlnx.xpx-ethernetlite emulation CVE-2016-7161 bsc1001151 - Fix OOB access in VMware SVGA emulation CVE-2016-7170 bsc998516 - Fix DOS in ColdFire Fast Ethernet Controller emulation...

CVE-2016-8910

The rtl8139cplustransmit function in hw/net/rtl8139.c in QEMU aka Quick Emulator allows local guest OS administrators to cause a denial of service infinite loop and CPU consumption by leveraging failure to limit the ring descriptor count...

DEBIAN-CVE-2016-8910

The rtl8139cplustransmit function in hw/net/rtl8139.c in QEMU aka Quick Emulator allows local guest OS administrators to cause a denial of service infinite loop and CPU consumption by leveraging failure to limit the ring descriptor count...

CVE-2016-8910

The rtl8139cplustransmit function in hw/net/rtl8139.c in QEMU aka Quick Emulator allows local guest OS administrators to cause a denial of service infinite loop and CPU consumption by leveraging failure to limit the ring descriptor count...