{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2021-47003", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-27T18:42:55.951Z", "datePublished": "2024-02-28T08:13:24.712Z", "dateUpdated": "2026-05-11T13:46:04.620Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:46:04.620Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: Fix potential null dereference on pointer status\n\nThere are calls to idxd_cmd_exec that pass a null status pointer however\na recent commit has added an assignment to *status that can end up\nwith a null pointer dereference. The function expects a null status\npointer sometimes as there is a later assignment to *status where\nstatus is first null checked. Fix the issue by null checking status\nbefore making the assignment.\n\nAddresses-Coverity: (\"Explicit null dereferenced\")"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/dma/idxd/device.c"], "versions": [{"version": "40e3b5c128645d2ddad12310c7be98758cafb2b0", "lessThan": "5756f757c72501ef1a16f5f63f940623044180e9", "status": "affected", "versionType": "git"}, {"version": "89e3becd8f821e507052e012d2559dcda59f538e", "lessThan": "2280b4cc29d8cdd2be3d1b2d1ea4f958e2131c97", "status": "affected", "versionType": "git"}, {"version": "89e3becd8f821e507052e012d2559dcda59f538e", "lessThan": "7bc402f843e7817a4a808e7b9ab0bcd7ffd55bfa", "status": "affected", "versionType": "git"}, {"version": "89e3becd8f821e507052e012d2559dcda59f538e", "lessThan": "28ac8e03c43dfc6a703aa420d18222540b801120", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/dma/idxd/device.c"], "versions": [{"version": "5.11", "status": "affected"}, {"version": "0", "lessThan": "5.11", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.38", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.11.22", "lessThanOrEqual": "5.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.12.5", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.13", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.17", "versionEndExcluding": "5.10.38"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.11.22"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.12.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.13"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5756f757c72501ef1a16f5f63f940623044180e9"}, {"url": "https://git.kernel.org/stable/c/2280b4cc29d8cdd2be3d1b2d1ea4f958e2131c97"}, {"url": "https://git.kernel.org/stable/c/7bc402f843e7817a4a808e7b9ab0bcd7ffd55bfa"}, {"url": "https://git.kernel.org/stable/c/28ac8e03c43dfc6a703aa420d18222540b801120"}], "title": "dmaengine: idxd: Fix potential null dereference on pointer status", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47003", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-02-28T19:56:11.793449Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:14:21.520Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.803Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/5756f757c72501ef1a16f5f63f940623044180e9", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/2280b4cc29d8cdd2be3d1b2d1ea4f958e2131c97", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/7bc402f843e7817a4a808e7b9ab0bcd7ffd55bfa", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/28ac8e03c43dfc6a703aa420d18222540b801120", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/5756f757c72501ef1a16f5f63f940623044180e9", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/2280b4cc29d8cdd2be3d1b2d1ea4f958e2131c97", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/7bc402f843e7817a4a808e7b9ab0bcd7ffd55bfa", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/28ac8e03c43dfc6a703aa420d18222540b801120", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.803Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47003", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-02-28T19:56:11.793449Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-23T19:01:13.718Z"}, "title": "CISA ADP Vulnrichment"}], "cna": {"title": "dmaengine: idxd: Fix potential null dereference on pointer status", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "40e3b5c128645d2ddad12310c7be98758cafb2b0", "lessThan": "5756f757c72501ef1a16f5f63f940623044180e9", "versionType": "git"}, {"status": "affected", "version": "89e3becd8f821e507052e012d2559dcda59f538e", "lessThan": "2280b4cc29d8cdd2be3d1b2d1ea4f958e2131c97", "versionType": "git"}, {"status": "affected", "version": "89e3becd8f821e507052e012d2559dcda59f538e", "lessThan": "7bc402f843e7817a4a808e7b9ab0bcd7ffd55bfa", "versionType": "git"}, {"status": "affected", "version": "89e3becd8f821e507052e012d2559dcda59f538e", "lessThan": "28ac8e03c43dfc6a703aa420d18222540b801120", "versionType": "git"}], "programFiles": ["drivers/dma/idxd/device.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.11"}, {"status": "unaffected", "version": "0", "lessThan": "5.11", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.38", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.11.22", "versionType": "semver", "lessThanOrEqual": "5.11.*"}, {"status": "unaffected", "version": "5.12.5", "versionType": "semver", "lessThanOrEqual": "5.12.*"}, {"status": "unaffected", "version": "5.13", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/dma/idxd/device.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/5756f757c72501ef1a16f5f63f940623044180e9"}, {"url": "https://git.kernel.org/stable/c/2280b4cc29d8cdd2be3d1b2d1ea4f958e2131c97"}, {"url": "https://git.kernel.org/stable/c/7bc402f843e7817a4a808e7b9ab0bcd7ffd55bfa"}, {"url": "https://git.kernel.org/stable/c/28ac8e03c43dfc6a703aa420d18222540b801120"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: Fix potential null dereference on pointer status\n\nThere are calls to idxd_cmd_exec that pass a null status pointer however\na recent commit has added an assignment to *status that can end up\nwith a null pointer dereference. The function expects a null status\npointer sometimes as there is a later assignment to *status where\nstatus is first null checked. Fix the issue by null checking status\nbefore making the assignment.\n\nAddresses-Coverity: (\"Explicit null dereferenced\")"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.38", "versionStartIncluding": "5.10.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.11.22", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.12.5", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.13", "versionStartIncluding": "5.11"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:02:06.974Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47003", "state": "PUBLISHED", "dateUpdated": "2025-05-04T07:02:06.974Z", "dateReserved": "2024-02-27T18:42:55.951Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-02-28T08:13:24.712Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3DFCD3AA-21F1-4769-A239-44265F98679F", "versionEndExcluding": "5.10.38", "versionStartIncluding": "5.10.17", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "83B53E9A-F426-4C03-9A5F-A931FF79827E", "versionEndExcluding": "5.11.22", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0274929A-B36C-4F4C-AB22-30A0DD6B995B", "versionEndExcluding": "5.12.5", "versionStartIncluding": "5.12", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: Fix potential null dereference on pointer status\n\nThere are calls to idxd_cmd_exec that pass a null status pointer however\na recent commit has added an assignment to *status that can end up\nwith a null pointer dereference. The function expects a null status\npointer sometimes as there is a later assignment to *status where\nstatus is first null checked. Fix the issue by null checking status\nbefore making the assignment.\n\nAddresses-Coverity: (\"Explicit null dereferenced\")"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: dmaengine: idxd: corrige una posible desreferencia nula en el estado del puntero. Hay llamadas a idxd_cmd_exec que pasan un puntero de estado nulo, sin embargo, una confirmaci\u00f3n reciente agreg\u00f3 una asignaci\u00f3n a *status que puede terminar con una desreferencia de puntero nulo. La funci\u00f3n espera un puntero de estado nulo a veces, ya que hay una asignaci\u00f3n posterior a *status donde el estado se verifica por primera vez como nulo. Solucione el problema verificando el estado nulo antes de realizar la asignaci\u00f3n. Direcciones-Cobertura: (\"Nulo expl\u00edcito desreferenciado\")"}], "id": "CVE-2021-47003", "lastModified": "2024-12-09T18:25:35.537", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-02-28T09:15:38.303", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2280b4cc29d8cdd2be3d1b2d1ea4f958e2131c97"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/28ac8e03c43dfc6a703aa420d18222540b801120"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5756f757c72501ef1a16f5f63f940623044180e9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7bc402f843e7817a4a808e7b9ab0bcd7ffd55bfa"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2280b4cc29d8cdd2be3d1b2d1ea4f958e2131c97"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/28ac8e03c43dfc6a703aa420d18222540b801120"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5756f757c72501ef1a16f5f63f940623044180e9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7bc402f843e7817a4a808e7b9ab0bcd7ffd55bfa"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: dmaengine: idxd: Fix potential null dereference on pointer status", "id": "2266865", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2266865"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndmaengine: idxd: Fix potential null dereference on pointer status\nThere are calls to idxd_cmd_exec that pass a null status pointer however\na recent commit has added an assignment to *status that can end up\nwith a null pointer dereference. The function expects a null status\npointer sometimes as there is a later assignment to *status where\nstatus is first null checked. Fix the issue by null checking status\nbefore making the assignment.\nAddresses-Coverity: (\"Explicit null dereferenced\")"], "name": "CVE-2021-47003", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "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": "2024-02-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47003\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47003\nhttps://lore.kernel.org/linux-cve-announce/2024022829-CVE-2021-47003-12d7@gregkh/T/#u"], "threat_severity": "Low"}

{}