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CVE-2015-2150

4.9 · MEDIUM

Xen 3.3.x through 4.5.x and the Linux kernel through 3.19.1 do not properly restrict access to PCI command registers, which might allow local guest OS users to cause a denial of service (non-maskab…

Published Mar 12, 2015ubuntuCWE-264EPSS 0.53%

Overview

CVE-2015-2150 is a medium-severity vulnerability affecting ubuntu ubuntu. It was published on March 12, 2015 and has a CVSS 2.0 base score of 4.9 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.9, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Xen 3.3.x through 4.5.x and the Linux kernel through 3.19.1 do not properly restrict access to PCI command registers, which might allow local guest OS users to cause a denial of service (non-maskable interrupt and host crash) by disabling the (1) memory or (2) I/O decoding for a PCI Express device and then accessing the device, which triggers an Unsupported Request (UR) response.

Remediation

Check the references section for vendor advisories and patches from ubuntu. Update ubuntu 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
linuxlinux_kernel0Affected

References

Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=af6fc858a35b90e89ea7a7ee58e66628c55c776bReflists.fedoraproject.org/pipermail/package-announce/2015-April/155804.htmlReflists.fedoraproject.org/pipermail/package-announce/2015-April/155854.htmlReflists.fedoraproject.org/pipermail/package-announce/2015-April/155908.htmlReflists.fedoraproject.org/pipermail/package-announce/2015-March/152747.htmlReflists.opensuse.org/opensuse-security-announce/2015-04/msg00001.htmlReflists.opensuse.org/opensuse-security-announce/2015-09/msg00004.htmlReflists.opensuse.org/opensuse-security-announce/2015-09/msg00018.htmlReflists.opensuse.org/opensuse-security-announce/2015-09/msg00021.htmlRefwww.debian.org/security/2015/dsa-3237

How CyberStrike helps

Frequently asked questions

What is CVE-2015-2150?

CVE-2015-2150 is a medium-severity vulnerability affecting ubuntu ubuntu. It was published on March 12, 2015 and has a CVSS 2.0 base score of 4.9 (MEDIUM).

How severe is CVE-2015-2150?

This vulnerability has a CVSS 2.0 base score of 4.9, 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-2015-2150?

Check the references section for vendor advisories and patches from ubuntu. Update ubuntu 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-2015-2150?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-2150 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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