CVE-2018-7541

Description

An issue was discovered in Xen through 4.10.x allowing guest OS users to cause a denial of service (hypervisor crash) or gain privileges by triggering a grant-table transition from v2 to v1.

8.8

CVSS

Severity: High

CVSS 3.0 •

CVSS 2.0 •

EPSS 0.09%

Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory xen.org

Affected: n/a n/a

References

Link	Tags
http://www.securityfocus.com/bid/103177	vdb entry
https://security.gentoo.org/glsa/201810-06	vendor advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00013.html	mailing list
https://xenbits.xen.org/xsa/advisory-255.html	vendor advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00003.html	third party advisory mailing list
http://www.securitytracker.com/id/1040775	vdb entry
https://www.debian.org/security/2018/dsa-4131	third party advisory vendor advisory
https://support.citrix.com/article/CTX232655
https://support.citrix.com/article/CTX232096

Frequently Asked Questions

What is the severity of CVE-2018-7541?: CVE-2018-7541 has been scored as a high severity vulnerability.
How to fix CVE-2018-7541?: To fix CVE-2018-7541, 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-2018-7541 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2018-7541 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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