{"id":"CVE-2026-79610","revision":null,"records":[{"revision":"b00305ceb63b4a28af0c7a8fd7880593","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-79610","aliases":[],"title":"grant-table: double version change race","description":"XSA-501 was about issues with v1 -> v2 and v2 -> v1 changes racing certain\nother grant table operations.  Sadly a v2 -> v1 -> v2 change has yet\nanother effect which wasn't accounted for: During the first change, status\npages would be freed.  During the second change they would be allocated\nagain.  Hence across the full pair of change the addresses of the status\npages may change, rendering stale previously calculated pointers into the\nstatus array.","state":0,"publishedAt":"2026-10-13T15:44:42.37+00:00","modifiedAt":"2026-10-20T17:33:21.929+00:00","affected":[{"ecosystem":"Vendor product","name":"Xen","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unknown\",\n                    \"product\": \"Xen\",\n                    \"vendor\": \"Xen\",\n                    \"versions\": [\n                        {\n                            \"status\": \"unknown\",\n                            \"version\": \"consult Xen advisory XSA-517\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://xenbits.xenproject.org/xsa/advisory-517.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-79610","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-79610","identifiers":["CVE-2026-79610"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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