{"id":"CVE-2026-101310","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-101310","generatedAt":"2026-10-27T22:46:18.023Z","title":"A zero-length entry caused an out-of-bounds read or write during DMA transfer processing.","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":"2026-10-15T08:16:36.000Z","lastModified":"2026-10-16T04:18:11.000Z","status":"Awaiting Analysis","sourceIdentifier":"secteam@freebsd.org","cvss":{"version":"3.1","score":7,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-126","CWE-362","CWE-787"],"affected":[],"epss":{"score":0.00117,"percentile":0.0167,"date":"2026-10-26","history":[{"date":"2026-10-15","score":0.00181,"percentile":0.07121}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-15T18:30:14.000Z","detail":{"from":null,"score":"7.0","severity":"HIGH","fromSeverity":null},"summary":"Now scored CVSS 7.0 HIGH."},{"kind":"new","label":"New CVE","at":"2026-10-15T08:16:36.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-10-15T08:16:36.313Z"},"summary":"New CVE, high severity (CVSS 7.0)."}],"references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:72.bhyve.asc","source":"secteam@freebsd.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-101310","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}