CVE-2018-7540 in Xen

Summary

An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

• Reservation: 02/27/2018
• Disclosure: 02/27/2018
• Moderation: VulDB entry created
• Entries: VDB-113918 (1)
• CPE: ready
• CWE: CWE-400 (Confirmed)
• CVSS: 5.1
• EPSS: 0.00090
• Activities: Very Low

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2018-7540
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-7540
• CVE Details: https://www.cvedetails.com/cve/CVE-2018-7540/