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CVE-2020-10717

3.3 · LOW

A potential DoS flaw was found in the virtio-fs shared file system daemon (virtiofsd) implementation of the QEMU version >= v5.0.

Published May 4, 2020CWE-770EPSS 0.40%

Overview

CVE-2020-10717 is a low-severity vulnerability. It was published on May 4, 2020 and has a CVSS 3.1 base score of 3.3 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

A potential DoS flaw was found in the virtio-fs shared file system daemon (virtiofsd) implementation of the QEMU version >= v5.0. Virtio-fs is meant to share a host file system directory with a guest via virtio-fs device. If the guest opens the maximum number of file descriptors under the shared directory, a denial of service may occur. This flaw allows a guest user/process to cause this denial of service on the host.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10717Reflists.gnu.org/archive/html/qemu-devel/2020-05/msg00141.htmlReflists.gnu.org/archive/html/qemu-devel/2020-05/msg00143.htmlRefsecurity.gentoo.org/glsa/202011-09Refwww.openwall.com/lists/oss-security/2020/05/04/1Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10717Reflists.gnu.org/archive/html/qemu-devel/2020-05/msg00141.htmlReflists.gnu.org/archive/html/qemu-devel/2020-05/msg00143.htmlRefsecurity.gentoo.org/glsa/202011-09Refwww.openwall.com/lists/oss-security/2020/05/04/1

How CyberStrike helps

Frequently asked questions

What is CVE-2020-10717?

CVE-2020-10717 is a low-severity vulnerability. It was published on May 4, 2020 and has a CVSS 3.1 base score of 3.3 (LOW).

How severe is CVE-2020-10717?

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2020-10717?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-10717?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-10717 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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