{"affected":[{"affectedData":[{"defaultStatus":"unaffected","packageName":"Zephyr","product":"Zephyr","repo":"https://github.com/zephyrproject-rtos/zephyr","vendor":"zephyrproject-rtos","versions":[{"lessThanOrEqual":"3.3","status":"affected","version":"*","versionType":"git"}]}],"source":"vulnerabilities@zephyrproject.org"},{"affectedData":[{"cpes":["cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*"],"defaultStatus":"unknown","product":"zephyr","vendor":"zephyrproject","versions":[{"lessThanOrEqual":"3.3","status":"affected","version":"0","versionType":"custom"}]}],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*","matchCriteriaId":"E2D56E6F-F247-436A-B6F4-FA7263D4C5E2","versionEndIncluding":"3.3.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"The bluetooth HCI host layer logic not clearing a global reference to a semaphore after synchronously sending HCI commands may allow a malicious HCI Controller to cause the use of a dangling reference in the host layer, leading to a crash (DoS) or potential RCE on the Host layer.\n\n\n"}],"id":"CVE-2023-1901","lastModified":"2026-06-17T05:28:59.750","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H","version":"3.1"},"exploitabilityScore":1.2,"impactScore":4.7,"source":"vulnerabilities@zephyrproject.org","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":8.0,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":2.1,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2023-1901","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2024-11-07T15:11:58.244687Z","version":"2.0.3"}}]},"published":"2023-07-10T16:15:49.003","references":[{"source":"vulnerabilities@zephyrproject.org","tags":["Vendor Advisory"],"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xvvm-8mcm-9cq3"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xvvm-8mcm-9cq3"}],"sourceIdentifier":"vulnerabilities@zephyrproject.org","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-787"}],"source":"nvd@nist.gov","type":"Primary"},{"description":[{"lang":"en","value":"CWE-672"}],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary"}]}