Qemu: block: iscsi: buffer overflow in iscsi_aio_ioctl

Quick EmulatorQEMU built with the Block driver for iSCSI images support virtio-blk is vulnerable to a heap-based buffer overflow issue. The flaw could occur while processing iSCSI asynchronous I/O ioctl2 calls. A user inside a guest could exploit this flaw to crash the QEMU process resulting in...

Qemu: block: iscsi: buffer overflow in iscsi_aio_ioctl

Quick EmulatorQEMU built with the Block driver for iSCSI images support virtio-blk is vulnerable to a heap-based buffer overflow issue. The flaw could occur while processing iSCSI asynchronous I/O ioctl2 calls. A user inside a guest could exploit this flaw to crash the QEMU process resulting in...

Qemu: block: iscsi: buffer overflow in iscsi_aio_ioctl

Quick EmulatorQEMU built with the Block driver for iSCSI images support virtio-blk is vulnerable to a heap-based buffer overflow issue. The flaw could occur while processing iSCSI asynchronous I/O ioctl2 calls. A user inside a guest could exploit this flaw to crash the QEMU process resulting in...

CVE-2016-5126

Quick EmulatorQEMU built with the Block driver for iSCSI images support virtio-blk is vulnerable to a heap-based buffer overflow issue. The flaw could occur while processing iSCSI asynchronous I/O ioctl2 calls. A user inside a guest could exploit this flaw to crash the QEMU process resulting in...

Mandriva Linux Security Advisory : qemu (MDVSA-2015:061)

Updated qemu packages fix multiple security vulnerabilities : Sibiao Luo discovered that QEMU incorrectly handled device hot-unplugging. A local user could possibly use this flaw to cause a denial of service CVE-2013-4377. Michael S. Tsirkin discovered that QEMU incorrectly handled vmxnet3 device...

Moderate: Red Hat Security Advisory: qemu-kvm-rhev security update

Updated qemu-kvm-rhev packages that fix two security issues are now available for Red Hat Enterprise Linux OpenStack Platform 4 and 5 for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having Moderate security impact. Common Vulnerability Scoring System CVSS base...

CentOS Update for qemu-guest-agent CESA-2014:1075 centos6

Check the version of qemu-guest-agent SPDX-FileCopyrightText: 2014 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"1.3.6.1.4.1.25623.1.0.881989";...

qemu security update

CentOS Errata and Security Advisory CESA-2014:1075 Updated qemu-kvm packages that fix two security issues and three bugs are now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having Moderate security impact. Common Vulnerability Scoring System CVSS ba...

Qemu: qcow1: validate L2 table size to avoid integer overflows

An integer overflow flaw was found in the QEMU block driver for QCOW version 1 disk images. A user able to alter the QEMU disk image files loaded by a guest could use this flaw to corrupt QEMU process memory on the host, which could potentially result in arbitrary code execution on the host with...

Qemu: block: possible crash due signed types or logic error

Qemu before 1.6.2 block diver for the various disk image formats used by Bochs and for the QCOW version 2 format, are vulnerable to a possible crash caused by signed data types or a logic error while creating QCOW2 snapshots, which leads to incorrectly calling updaterefcount routine...

Qemu: prevent possible buffer overflows

Multiple buffer overflows in QEMU before 1.7.2 and 2.x before 2.0.0, allow local users to cause a denial of service crash or possibly execute arbitrary code via a large 1 L1 table in the qcow2snapshotloadtmp in the QCOW 2 block driver block/qcow2-snapshot.c or 2 uncompressed chunk, 3 chunk length...

Qemu: block: possible crash due signed types or logic error

Qemu before 1.6.2 block diver for the various disk image formats used by Bochs and for the QCOW version 2 format, are vulnerable to a possible crash caused by signed data types or a logic error while creating QCOW2 snapshots, which leads to incorrectly calling updaterefcount routine...

Qemu: vhdx: bounds checking for block_size and logical_sector_size

Qemu before 2.0 block driver for Hyper-V VHDX Images is vulnerable to infinite loops and other potential issues when calculating BAT entries, due to missing bounds checks for blocksize and logicalsectorsize variables. These are used to derive other fields like 'sectorsperblock' etc. A user able t...

Moderate: Red Hat Security Advisory: qemu-kvm-rhev security update

Updated qemu-kvm-rhev packages that fix several security issues are now available for Red Hat Enterprise Virtualization. The Red Hat Security Response Team has rated this update as having Moderate security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity...

CVE-2014-0147

Qemu before 1.6.2 block diver for the various disk image formats used by Bochs and for the QCOW version 2 format, are vulnerable to a possible crash caused by signed data types or a logic error while creating QCOW2 snapshots, which leads to incorrectly calling updaterefcount routine...

CVE-2014-0145

Multiple buffer overflows in QEMU before 1.7.2 and 2.x before 2.0.0, allow local users to cause a denial of service crash or possibly execute arbitrary code via a large 1 L1 table in the qcow2snapshotloadtmp in the QCOW 2 block driver block/qcow2-snapshot.c or 2 uncompressed chunk, 3 chunk length...

Design/Logic Flaw

The Xen hypervisor block backend driver for Linux kernel 2.6.18, when running on a 64-bit host with a 32-bit paravirtualized guest, allows local privileged users in the guest OS to cause a denial of service host OS crash via a request that specifies a large number of blocks...