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CVE-2015-4106

4.6 · MEDIUM

QEMU does not properly restrict write access to the PCI config space for certain PCI pass-through devices, which might allow local x86 HVM guests to gain privileges, cause a denial of service (host…

Published Jun 3, 2015qemuCWE-863EPSS 0.48%

Overview

CVE-2015-4106 is a medium-severity vulnerability affecting qemu qemu. It was published on June 3, 2015 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

QEMU does not properly restrict write access to the PCI config space for certain PCI pass-through devices, which might allow local x86 HVM guests to gain privileges, cause a denial of service (host crash), obtain sensitive information, or possibly have other unspecified impact via unknown vectors.

Remediation

Check the references section for vendor advisories and patches from qemu. Update qemu to the latest patched version. 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.

Affected products

VendorProductVersionsStatus
qemuqemu0Affected

References

Reflists.fedoraproject.org/pipermail/package-announce/2015-June/160154.htmlReflists.fedoraproject.org/pipermail/package-announce/2015-June/160171.htmlReflists.fedoraproject.org/pipermail/package-announce/2015-June/160685.htmlReflists.opensuse.org/opensuse-security-announce/2015-06/msg00004.htmlReflists.opensuse.org/opensuse-security-announce/2015-06/msg00007.htmlReflists.opensuse.org/opensuse-security-announce/2015-06/msg00029.htmlReflists.opensuse.org/opensuse-security-announce/2015-06/msg00030.htmlRefsupport.citrix.com/article/CTX201145Refwww.debian.org/security/2015/dsa-3284Refwww.debian.org/security/2015/dsa-3286

How CyberStrike helps

Frequently asked questions

What is CVE-2015-4106?

CVE-2015-4106 is a medium-severity vulnerability affecting qemu qemu. It was published on June 3, 2015 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

How severe is CVE-2015-4106?

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-4106?

Check the references section for vendor advisories and patches from qemu. Update qemu to the latest patched version. 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-2015-4106?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-4106 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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