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CVE-2017-9524

Status Candidate

Overview

The qemu-nbd server in QEMU (aka Quick Emulator), when built with the Network Block Device (NBD) Server support, allows remote attackers to cause a denial of service (segmentation fault and server crash) by leveraging failure to ensure that all initialization occurs before talking to a client in the nbd_negotiate function.

Related Files

Debian Security Advisory 3925-1
Posted Aug 6, 2017
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3925-1 - Multiple vulnerabilities were found in qemu, a fast processor emulator.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2017-10806, CVE-2017-11334, CVE-2017-11443, CVE-2017-9524
MD5 | 891c5fec85e89b062c30730376dc45e2
Red Hat Security Advisory 2017-2408-01
Posted Aug 2, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2408-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Security Fix: Quick Emulator built with Network Block Device Server support was vulnerable to a null-pointer dereference issue. The flaw could occur when releasing a client that was not initialized due to failed negotiation. A remote user or process could exploit this flaw to crash the qemu-nbd server.

tags | advisory, remote
systems | linux, redhat
advisories | CVE-2016-10155, CVE-2016-4020, CVE-2016-6888, CVE-2016-7422, CVE-2016-7466, CVE-2016-8576, CVE-2016-8669, CVE-2016-8909, CVE-2016-8910, CVE-2016-9907, CVE-2016-9911, CVE-2016-9921, CVE-2016-9922, CVE-2017-5579, CVE-2017-5973, CVE-2017-6414, CVE-2017-8309, CVE-2017-8379, CVE-2017-9310, CVE-2017-9373, CVE-2017-9374, CVE-2017-9375, CVE-2017-9524
MD5 | 43453dd199302989251381bee4c45dba
Debian Security Advisory 3920-1
Posted Jul 26, 2017
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3920-1 - Multiple vulnerabilities were found in in qemu, a fast processor emulator.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2017-10664, CVE-2017-10911, CVE-2017-9310, CVE-2017-9330, CVE-2017-9373, CVE-2017-9374, CVE-2017-9375, CVE-2017-9524
MD5 | f120933ef91a131b7138486880a5c7c8
Red Hat Security Advisory 2017-1682-01
Posted Jul 5, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-1682-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Security Fix: Quick Emulator built with Network Block Device Server support was vulnerable to a null-pointer dereference issue. The flaw could occur when releasing a client, which was not initialized due to failed negotiation. A remote user or process could exploit this flaw to crash the qemu-nbd server.

tags | advisory, remote
systems | linux, redhat
advisories | CVE-2017-9524
MD5 | 22bc9e0a010ac3bc5561e1d86f973c9b
Red Hat Security Advisory 2017-1681-01
Posted Jul 5, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-1681-01 - Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm package provides the user-space component for running virtual machines that use KVM. Security Fix: Quick Emulator built with Network Block Device Server support was vulnerable to a null-pointer dereference issue. The flaw could occur when releasing a client, which was not initialized due to failed negotiation. A remote user or process could exploit this flaw to crash the qemu-nbd server.

tags | advisory, remote, kernel
systems | linux, redhat
advisories | CVE-2017-9524
MD5 | 2450aff92c2aead53bc48589d9bc6707
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