cve-2023-32255
Vulnerability from cvelistv5
Published
2025-08-02 22:25
Modified
2025-08-04 13:21
Severity ?
EPSS score ?
Summary
Kernel: memory leak via ksmbd session setup request with unknown ntlmssp message type
References
Impacted products
{ "containers": { "adp": [ { "metrics": [ { "other": { "content": { "id": "CVE-2023-32255", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "timestamp": "2025-08-04T13:20:59.965401Z", "version": "2.0.3" }, "type": "ssvc" } } ], "providerMetadata": { "dateUpdated": "2025-08-04T13:21:07.604Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" } ], "cna": { "affected": [ { "collectionURL": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/", "defaultStatus": "unaffected", "packageName": "linux", "versions": [ { "lessThan": "5.15.111", "status": "affected", "version": "0", "versionType": "semvar" }, { "lessThan": "6.0.*", "status": "affected", "version": "6.0.0", "versionType": "semvar" }, { "lessThan": "6.1.28", "status": "affected", "version": "6.1.0", "versionType": "semvar" }, { "lessThan": "6.2.15", "status": "affected", "version": "6.2.0", "versionType": "semvar" }, { "lessThan": "6.3.2", "status": "affected", "version": "6.3.0", "versionType": "semvar" } ] }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:10" ], "defaultStatus": "unaffected", "packageName": "kernel", "product": "Red Hat Enterprise Linux 10", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:6" ], "defaultStatus": "unaffected", "packageName": "kernel", "product": "Red Hat Enterprise Linux 6", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:7" ], "defaultStatus": "unaffected", "packageName": "kernel", "product": "Red Hat Enterprise Linux 7", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:7" ], "defaultStatus": "unaffected", "packageName": "kernel-rt", "product": "Red Hat Enterprise Linux 7", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:8" ], "defaultStatus": "unaffected", "packageName": "kernel", "product": "Red Hat Enterprise Linux 8", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:8" ], "defaultStatus": "unaffected", "packageName": "kernel-rt", "product": "Red Hat Enterprise Linux 8", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:9" ], "defaultStatus": "unaffected", "packageName": "kernel", "product": "Red Hat Enterprise Linux 9", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:9" ], "defaultStatus": "unaffected", "packageName": "kernel-rt", "product": "Red Hat Enterprise Linux 9", "vendor": "Red Hat" } ], "datePublic": "2023-05-17T00:00:00.000Z", "descriptions": [ { "lang": "en", "value": "A flaw was found in the Linux kernel\u0027s ksmbd component. A memory leak can occur if a client sends a session setup request with an unknown NTLMSSP message type, potentially leading to resource exhaustion." } ], "metrics": [ { "other": { "content": { "namespace": "https://access.redhat.com/security/updates/classification/", "value": "Moderate" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1" }, "format": "CVSS" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-772", "description": "Missing Release of Resource after Effective Lifetime", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2025-08-02T22:25:45.342Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat" }, "references": [ { "tags": [ "vdb-entry", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/security/cve/CVE-2023-32255" }, { "name": "RHBZ#2385884", "tags": [ "issue-tracking", "x_refsource_REDHAT" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2385884" }, { "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d7cb549c2ca20e1f07593f15e936fd54b763028" }, { "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-703/" } ], "timeline": [ { "lang": "en", "time": "2025-08-01T00:50:59.446000+00:00", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2023-05-17T00:00:00+00:00", "value": "Made public." } ], "title": "Kernel: memory leak via ksmbd session setup request with unknown ntlmssp message type", "x_redhatCweChain": "CWE-772: Missing Release of Resource after Effective Lifetime" } }, "cveMetadata": { "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2023-32255", "datePublished": "2025-08-02T22:25:45.342Z", "dateReserved": "2023-05-05T10:00:07.896Z", "dateUpdated": "2025-08-04T13:21:07.604Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2023-32255\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2025-08-02T23:15:25.820\",\"lastModified\":\"2025-08-04T15:06:15.833\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A flaw was found in the Linux kernel\u0027s ksmbd component. A memory leak can occur if a client sends a session setup request with an unknown NTLMSSP message type, potentially leading to resource exhaustion.\"},{\"lang\":\"es\",\"value\":\"Se detect\u00f3 una falla en el componente ksmbd del kernel de Linux. Puede producirse una fuga de memoria si un cliente env\u00eda una solicitud de configuraci\u00f3n de sesi\u00f3n con un tipo de mensaje NTLMSSP desconocido, lo que podr\u00eda provocar el agotamiento de recursos.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-772\"}]}],\"references\":[{\"url\":\"https://access.redhat.com/security/cve/CVE-2023-32255\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=2385884\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d7cb549c2ca20e1f07593f15e936fd54b763028\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-23-703/\",\"source\":\"secalert@redhat.com\"}]}}" } }
Loading...
Loading...
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.