CVE-2018-7541

Impact:
Important
Public Date:
2018-02-27
Bugzilla:
1544459: CVE-2018-7541 xsa255 xen: grant table v2 -> v1 transition may crash Xen (XSA-255)

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2018-7541 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 7.8
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector Local
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality High
Integrity Impact High
Availability Impact High

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 xen Not affected

Acknowledgements

Red Hat would like to thank the Xen project for reporting this issue. Upstream acknowledges Jan Beulich (SUSE) as the original reporter.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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