{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-47096", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-29T22:33:44.301Z", "datePublished": "2024-03-04T18:10:48.095Z", "dateUpdated": "2024-12-19T07:35:08.821Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T07:35:08.821Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: rawmidi - fix the uninitalized user_pversion\n\nThe user_pversion was uninitialized for the user space file structure\nin the open function, because the file private structure use\nkmalloc for the allocation.\n\nThe kernel ALSA sequencer code clears the file structure, so no additional\nfixes are required.\n\nBugLink: https://github.com/alsa-project/alsa-lib/issues/178"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/core/rawmidi.c"], "versions": [{"version": "09d23174402da0f10e98da2c61bb5ac8e7d79fdd", "lessThan": "b398fcbe4de1e1100867fdb6f447c6fbc8fe7085", "status": "affected", "versionType": "git"}, {"version": "09d23174402da0f10e98da2c61bb5ac8e7d79fdd", "lessThan": "39a8fc4971a00d22536aeb7d446ee4a97810611b", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/core/rawmidi.c"], "versions": [{"version": "5.15", "status": "affected"}, {"version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.12", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.16", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/b398fcbe4de1e1100867fdb6f447c6fbc8fe7085"}, {"url": "https://git.kernel.org/stable/c/39a8fc4971a00d22536aeb7d446ee4a97810611b"}], "title": "ALSA: rawmidi - fix the uninitalized user_pversion", "x_generator": {"engine": "bippy-5f407fcff5a0"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-noinfo Not enough information"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-03-06T15:24:19.606846Z", "id": "CVE-2021-47096", "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": "2024-11-05T18:55:06.750Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.790Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/b398fcbe4de1e1100867fdb6f447c6fbc8fe7085", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/39a8fc4971a00d22536aeb7d446ee4a97810611b", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/b398fcbe4de1e1100867fdb6f447c6fbc8fe7085", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/39a8fc4971a00d22536aeb7d446ee4a97810611b", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.790Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2021-47096", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-03-06T15:24:19.606846Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "description": "CWE-noinfo Not enough information"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-23T19:01:11.545Z"}}], "cna": {"title": "ALSA: rawmidi - fix the uninitalized user_pversion", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "09d23174402da0f10e98da2c61bb5ac8e7d79fdd", "lessThan": "b398fcbe4de1e1100867fdb6f447c6fbc8fe7085", "versionType": "git"}, {"status": "affected", "version": "09d23174402da0f10e98da2c61bb5ac8e7d79fdd", "lessThan": "39a8fc4971a00d22536aeb7d446ee4a97810611b", "versionType": "git"}], "programFiles": ["sound/core/rawmidi.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.15"}, {"status": "unaffected", "version": "0", "lessThan": "5.15", "versionType": "semver"}, {"status": "unaffected", "version": "5.15.12", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "5.16", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["sound/core/rawmidi.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/b398fcbe4de1e1100867fdb6f447c6fbc8fe7085"}, {"url": "https://git.kernel.org/stable/c/39a8fc4971a00d22536aeb7d446ee4a97810611b"}], "x_generator": {"engine": "bippy-5f407fcff5a0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: rawmidi - fix the uninitalized user_pversion\n\nThe user_pversion was uninitialized for the user space file structure\nin the open function, because the file private structure use\nkmalloc for the allocation.\n\nThe kernel ALSA sequencer code clears the file structure, so no additional\nfixes are required.\n\nBugLink: https://github.com/alsa-project/alsa-lib/issues/178"}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T07:35:08.821Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47096", "state": "PUBLISHED", "dateUpdated": "2024-12-19T07:35:08.821Z", "dateReserved": "2024-02-29T22:33:44.301Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-03-04T18:10:48.095Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "7CD37FAC-AD9D-4A7B-9014-CF4F7A91800D", "versionEndExcluding": "5.15.12", "versionStartIncluding": "5.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*", "matchCriteriaId": "357AA433-37E8-4323-BFB2-3038D6E4B414", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:*", "matchCriteriaId": "A73429BA-C2D9-4D0C-A75F-06A1CA8B3983", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:*", "matchCriteriaId": "F621B5E3-E99D-49E7-90B9-EC3B77C95383", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc4:*:*:*:*:*:*", "matchCriteriaId": "F7BFDCAA-1650-49AA-8462-407DD593F94F", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc5:*:*:*:*:*:*", "matchCriteriaId": "6EC9882F-866D-4ACB-8FBC-213D8D8436C8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc6:*:*:*:*:*:*", "matchCriteriaId": "8A0915FE-A4AA-4C94-B783-CF29D81E7E54", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: rawmidi - fix the uninitalized user_pversion\n\nThe user_pversion was uninitialized for the user space file structure\nin the open function, because the file private structure use\nkmalloc for the allocation.\n\nThe kernel ALSA sequencer code clears the file structure, so no additional\nfixes are required.\n\nBugLink: https://github.com/alsa-project/alsa-lib/issues/178"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: ALSA: rawmidi: corrige la user_pversion no inicializada. La user_pversion no se inicializ\u00f3 para la estructura de archivos del espacio de usuario en la funci\u00f3n abierta, porque la estructura privada del archivo usa kmalloc para la asignaci\u00f3n. El c\u00f3digo del secuenciador ALSA del kernel borra la estructura del archivo, por lo que no se requieren correcciones adicionales. Enlace de error: https://github.com/alsa-project/alsa-lib/issues/178"}], "id": "CVE-2021-47096", "lastModified": "2025-04-08T15:03:08.677", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-03-04T18:15:07.960", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/39a8fc4971a00d22536aeb7d446ee4a97810611b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b398fcbe4de1e1100867fdb6f447c6fbc8fe7085"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/39a8fc4971a00d22536aeb7d446ee4a97810611b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b398fcbe4de1e1100867fdb6f447c6fbc8fe7085"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-908"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ALSA: rawmidi - fix the uninitalized user_pversion", "id": "2267927", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2267927"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-457", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nALSA: rawmidi - fix the uninitalized user_pversion\nThe user_pversion was uninitialized for the user space file structure\nin the open function, because the file private structure use\nkmalloc for the allocation.\nThe kernel ALSA sequencer code clears the file structure, so no additional\nfixes are required.\nBugLink: https://github.com/alsa-project/alsa-lib/issues/178"], "name": "CVE-2021-47096", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-03-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47096\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47096\nhttps://lore.kernel.org/linux-cve-announce/2024030415-CVE-2021-47096-40c7@gregkh/T"], "threat_severity": "Low"}