CVE-2017-9524

Impact:
Moderate
Public Date:
2017-05-26
CWE:
CWE-476
Bugzilla:
1460170: CVE-2017-9524 Qemu: nbd: segmentation fault due to client non-negotiation
Quick Emulator (QEMU) built with Network Block Device (NBD) 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 (denial of service).

Find out more about CVE-2017-9524 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 5
Base Metrics AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

CVSS v3 metrics

CVSS3 Base Score 5.3
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact Low

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat OpenStack Platform 8.0 (Liberty) (qemu-kvm-rhev) RHSA-2017:2408 2017-08-01
Red Hat OpenStack Platform 11.0 (Ocata) (qemu-kvm-rhev) RHSA-2017:2408 2017-08-01
Red Hat OpenStack Platform 10 (qemu-kvm-rhev) RHSA-2017:2408 2017-08-01
Red Hat Enterprise Linux 7 (qemu-kvm) RHSA-2017:1681 2017-07-05
Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts (qemu-kvm-rhev) RHSA-2017:1682 2017-07-05
Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 (qemu-kvm-rhev) RHSA-2017:2408 2017-08-01
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 (qemu-kvm-rhev) RHSA-2017:2408 2017-08-01
Red Hat OpenStack Platform 9.0 (qemu-kvm-rhev) RHSA-2017:2408 2017-08-01

Affected Packages State

Platform Package State
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) qemu-kvm-rhev Will not fix
Red Hat Enterprise Linux 6 qemu-kvm Not affected
Red Hat Enterprise Linux 5 xen Not affected
Red Hat Enterprise Linux 5 kvm Not affected

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