Resource exhaustion in Xen
CVE-2017-10922
The grant-table feature in Xen through 4.8.x mishandles MMIO region grant references, which allows guest OS users to cause a denial of service (loss of grant trackability), aka XSA-224 bug 3.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.020 (80.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
Weakness classification (CWE)
References
- security.gentoo.org/glsa/201708-03 (vendor-advisory)
- www.debian.org/security/2017/dsa-3969 (vendor-advisory)
- www.securitytracker.com/id/1038734 (vdb-entry)
- xenbits.xen.org/xsa/advisory-224.html (Patch, Vendor Advisory)
- security.gentoo.org/glsa/201710-17 (vendor-advisory)
Frequently asked questions
- What is CVE-2017-10922?
- CVE-2017-10922 is a high-severity vulnerability in Xen, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2017-07-05.
- How severe is CVE-2017-10922?
- High severity. CVSS v3 base score is 7.5 out of 10.