CVE-2023-0397

DoS: Invalid Initialization in le_read_buffer_size_complete

View on CVE.org

Published Jan 19, 2023 CVSS 3.1 · 9.6 Critical EPSS < 1% KEV · Not listed

Description

A malicious / defect bluetooth controller can cause a Denial of Service due to unchecked input in le_read_buffer_size_complete.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

zephyrproject-rtos

zephyr

affected

Version	Status	Constraints
`unspecified`	affected	≤ v3.2

Configuration 1 [-]

cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-12458	A malicious / defect bluetooth controller can cause a Denial of Service due to unchecked input in le_read_buffer_size_complete.

Metrics

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.476% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-wc2h-h868-q7hj

History

Apr 3, 2025 5:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Zephyrproject Zephyr

Weaknesses

Sources

CVE record Updated: Apr 3, 2025, 5:03 PM

Status: PUBLISHED
Assigner: zephyr
Published: Jan 19, 2023, 12:00 AM
Updated: Apr 3, 2025, 5:03 PM
Reserved: Jan 19, 2023, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 5:10 AM

Updated: Aug 2, 2024, 5:10 AM

NVD Updated: Jun 17, 2026, 5:25 AM

Status: Modified
Published: Jan 19, 2023, 6:15 AM
Modified: Jun 17, 2026, 5:25 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2023-0397", "assignerOrgId": "e2e69745-5e70-4e92-8431-deb5529a81ad", "assignerShortName": "zephyr", "dateUpdated": "2025-04-03T17:03:20.150Z", "dateReserved": "2023-01-19T00:00:00.000Z", "datePublished": "2023-01-19T00:00:00.000Z"}, "containers": {"cna": {"title": "DoS: Invalid Initialization in le_read_buffer_size_complete", "datePublic": "2023-01-18T00:00:00.000Z", "providerMetadata": {"orgId": "e2e69745-5e70-4e92-8431-deb5529a81ad", "shortName": "zephyr", "dateUpdated": "2023-01-19T00:00:00.000Z"}, "descriptions": [{"lang": "en", "value": "A malicious / defect bluetooth controller can cause a Denial of Service due to unchecked input in le_read_buffer_size_complete."}], "affected": [{"vendor": "zephyrproject-rtos", "product": "zephyr", "versions": [{"version": "unspecified", "lessThanOrEqual": "v3.2", "status": "affected", "versionType": "custom"}]}], "references": [{"url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-wc2h-h868-q7hj"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "Improper Check or Handling of Exceptional Conditions (CWE-703)", "cweId": "CWE-703"}]}], "source": {"defect": ["https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-wc2h-h868-q7hj"]}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T05:10:55.717Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-wc2h-h868-q7hj", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-04-02T15:49:30.912838Z", "id": "CVE-2023-0397", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-03T17:03:20.150Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-wc2h-h868-q7hj", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T05:10:55.717Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-0397", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-04-02T15:49:30.912838Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-02T15:49:40.547Z"}}], "cna": {"title": "DoS: Invalid Initialization in le_read_buffer_size_complete", "source": {"defect": ["https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-wc2h-h868-q7hj"]}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.6, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}], "affected": [{"vendor": "zephyrproject-rtos", "product": "zephyr", "versions": [{"status": "affected", "version": "unspecified", "versionType": "custom", "lessThanOrEqual": "v3.2"}]}], "datePublic": "2023-01-18T00:00:00.000Z", "references": [{"url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-wc2h-h868-q7hj"}], "descriptions": [{"lang": "en", "value": "A malicious / defect bluetooth controller can cause a Denial of Service due to unchecked input in le_read_buffer_size_complete."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-703", "description": "Improper Check or Handling of Exceptional Conditions (CWE-703)"}]}], "providerMetadata": {"orgId": "e2e69745-5e70-4e92-8431-deb5529a81ad", "shortName": "zephyr", "dateUpdated": "2023-01-19T00:00:00.000Z"}}}, "cveMetadata": {"cveId": "CVE-2023-0397", "state": "PUBLISHED", "dateUpdated": "2025-04-03T17:03:20.150Z", "dateReserved": "2023-01-19T00:00:00.000Z", "assignerOrgId": "e2e69745-5e70-4e92-8431-deb5529a81ad", "datePublished": "2023-01-19T00:00:00.000Z", "assignerShortName": "zephyr"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "zephyr", "vendor": "zephyrproject-rtos", "versions": [{"lessThanOrEqual": "v3.2", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "vulnerabilities@zephyrproject.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*", "matchCriteriaId": "A09B3C2A-EED0-4916-A4AF-9007C498B058", "versionEndIncluding": "3.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A malicious / defect bluetooth controller can cause a Denial of Service due to unchecked input in le_read_buffer_size_complete."}, {"lang": "es", "value": "Un controlador bluetooth malicioso o defectuoso puede provocar una denegaci\u00f3n de servicio debido a una entrada no marcada en le_read_buffer_size_complete."}], "id": "CVE-2023-0397", "lastModified": "2026-06-17T05:25:26.710", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 6.0, "source": "vulnerabilities@zephyrproject.org", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-0397", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-02T15:49:30.912838Z", "version": "2.0.3"}}]}, "published": "2023-01-19T06:15:09.737", "references": [{"source": "vulnerabilities@zephyrproject.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-wc2h-h868-q7hj"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-wc2h-h868-q7hj"}], "sourceIdentifier": "vulnerabilities@zephyrproject.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-703"}], "source": "vulnerabilities@zephyrproject.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-665"}], "source": "nvd@nist.gov", "type": "Primary"}]}