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    "cveMetadata": {
        "cveId": "CVE-2023-1901",
        "assignerOrgId": "e2e69745-5e70-4e92-8431-deb5529a81ad",
        "state": "PUBLISHED",
        "assignerShortName": "zephyr",
        "dateReserved": "2023-04-05T22:11:42.140Z",
        "datePublished": "2023-07-10T04:37:33.126Z",
        "dateUpdated": "2024-11-07T15:19:24.502Z"
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                    "defaultStatus": "unaffected",
                    "packageName": "Zephyr",
                    "product": "Zephyr",
                    "repo": "https://github.com/zephyrproject-rtos/zephyr",
                    "vendor": "zephyrproject-rtos",
                    "versions": [
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                            "lessThanOrEqual": "3.3",
                            "status": "affected",
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                            "versionType": "git"
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                            "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.<br><br><br>"
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                    ],
                    "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"
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                    "cvssV3_1": {
                        "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",
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            "references": [
                {
                    "url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xvvm-8mcm-9cq3"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "HCI send_sync Dangling Semaphore Reference Re-use",
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        "adp": [
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                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T06:05:26.711Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xvvm-8mcm-9cq3",
                        "tags": [
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            {
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-672",
                                "lang": "en",
                                "description": "CWE-672 Operation on a Resource after Expiration or Release"
                            }
                        ]
                    }
                ],
                "affected": [
                    {
                        "vendor": "zephyrproject",
                        "product": "zephyr",
                        "cpes": [
                            "cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*"
                        ],
                        "defaultStatus": "unknown",
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                                "version": "0",
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                                "lessThanOrEqual": "3.3",
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                "metrics": [
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                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2024-11-07T15:11:58.244687Z",
                                "id": "CVE-2023-1901",
                                "options": [
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                                        "Exploitation": "poc"
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                                    {
                                        "Automatable": "no"
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                                        "Technical Impact": "partial"
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                "title": "CISA ADP Vulnrichment",
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                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-11-07T15:19:24.502Z"
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