CVE-2015-4106

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.

Category

4.6
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.ubuntu.com/usn/USN-2630-1 third party advisory vendor advisory
https://support.citrix.com/article/CTX206006 third party advisory
http://www.debian.org/security/2015/dsa-3286 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00029.html mailing list third party advisory vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160154.html third party advisory vendor advisory
http://www.debian.org/security/2015/dsa-3284 third party advisory vendor advisory
http://www.securityfocus.com/bid/74949 vdb entry third party advisory
http://xenbits.xen.org/xsa/advisory-131.html third party advisory
http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.html mailing list third party advisory vendor advisory
http://support.citrix.com/article/CTX201145 third party advisory
http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.html mailing list third party advisory vendor advisory
https://security.gentoo.org/glsa/201604-03 third party advisory vendor advisory
http://www.securitytracker.com/id/1032467 vdb entry third party advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160171.html third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00004.html mailing list third party advisory vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160685.html third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-4106?
CVE-2015-4106 has been scored as a medium severity vulnerability.
How to fix CVE-2015-4106?
To fix CVE-2015-4106, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-4106 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-4106 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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