Vulnerability in Xen

CVE-2018-7541

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.

EPSS: 0.004 (35.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-7541?
CVE-2018-7541 is a high-severity vulnerability in Xen. CVSS score: 8.8/10. Published 2018-02-27.
How severe is CVE-2018-7541?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-7541 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.