{"id":"CVE-2026-102700","title":"With its original introduction, GNTTAB_cache_flush was made available\nuniformly","summary":"With its original introduction, GNTTAB_cache_flush was made available\nuniformly.  XSA-232 (CVE-2017-14318) then covered an omitted NULL\npointer check, yet the addition of that check failed to adjust the\nsubsequent error path.  That error…","severity":"medium","published":"2026-10-13","updated":"2026-10-14","sourceUpdated":"2026-10-14T16:10:14.750","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-102700","references":[{"url":"https://xenbits.xenproject.org/xsa/advisory-520.html","label":"security@xen.org"},{"url":"http://xenbits.xen.org/xsa/advisory-520.html","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-13T16:35:46.735Z","vendor":"Xen","product":"Xen","affected":["Xen"],"epss":0.00148,"epssPercentile":0.03957,"cvss":4.7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-20T17:15:12.175287Z"},"cvssSource":"adp","slug":"CVE-2026-102700","body":"## Overview\n\nWith its original introduction, GNTTAB_cache_flush was made available\nuniformly.  XSA-232 (CVE-2017-14318) then covered an omitted NULL\npointer check, yet the addition of that check failed to adjust the\nsubsequent error path.  That error path fails to drop a page reference in\ncase the specified page is owned by a special system domain (DOM_IO and\nDOM_COW are system domains which can have memory pages assigned to them.)\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":25.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":226058,"id":"CVE-2026-102700","ts":1792520129828,"field":"cvss","old":null,"new":"4.7"},{"seq":226057,"id":"CVE-2026-102700","ts":1792520129828,"field":"severity","old":"none","new":"medium"}]}