{"identifier":"CVE-2026-101310","cve":{"id":"CVE-2026-101310","description":"The HDA audio device model did not check for zero-length Buffer Descriptor List (BDL) entries when starting a stream.  A zero-length entry caused an out-of-bounds read or write during DMA transfer processing.  BDL fields were also subject to modification by the guest after validation.\n\nA malicious guest can crash the bhyve process or potentially execute arbitrary code in the host userspace context running the virtual machine, subject to bhyve's Capsicum sandbox.","published":"2026-10-15T08:16:36.313000+00:00","modified":"2026-10-16T04:18:10.750000+00:00","status":"Awaiting Analysis","score":7.0,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cvss_version":"3.1","affected":[],"weaknesses":["CWE-126","CWE-362","CWE-787"],"references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:72.bhyve.asc","source":"secteam@freebsd.org"}],"kev":null,"kev_checked":true,"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.0,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.0,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-10-15T00:00:00+00:00","id":"CVE-2026-101310","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[],"source":"nvd","retrieved_at":"2026-10-28T10:22:36.323038+00:00","exploited":false,"kev_stale":false,"products":[],"priority":{"label":"Assess exposure and vendor guidance","reasons":["No higher-priority signal is available in the current stored evidence."]},"epss":{"probability":0.00117,"percentile":0.01668,"date":"2026-10-29","stale":false},"version_assessment":null},"news":[],"campaigns":[],"domains":[{"domain":"security.freebsd.org","source_url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:72.bhyve.asc","investigate_url":"https://investigate.aeglixmind.com/#security.freebsd.org"}],"arsenal_url":"https://arsenal.aeglixmind.com/?cve=CVE-2026-101310","catalog_url":"https://cves.aeglixmind.com/cve/CVE-2026-101310","research_url":"https://investigate.aeglixmind.com/research/cve/CVE-2026-101310","coverage":{"news_candidates_checked":0,"campaign_candidates_checked":0,"bounded":false,"notice":"Exact CVE mentions in stored public excerpts and reviewed campaign content only. A mention is not proof of exploitation, attribution or tool suitability. Missing matches do not establish absence."}}