{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-47171", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-03-25T09:12:14.111Z", "datePublished": "2024-03-25T09:16:22.993Z", "dateUpdated": "2024-05-29T05:03:17.612Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:03:17.612Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: fix memory leak in smsc75xx_bind\n\nSyzbot reported memory leak in smsc75xx_bind().\nThe problem was is non-freed memory in case of\nerrors after memory allocation.\n\nbacktrace:\n [<ffffffff84245b62>] kmalloc include/linux/slab.h:556 [inline]\n [<ffffffff84245b62>] kzalloc include/linux/slab.h:686 [inline]\n [<ffffffff84245b62>] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460\n [<ffffffff82b5b2e6>] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/usb/smsc75xx.c"], "versions": [{"version": "d0cad871703b", "lessThan": "200dbfcad801", "status": "affected", "versionType": "git"}, {"version": "d0cad871703b", "lessThan": "22c840596af0", "status": "affected", "versionType": "git"}, {"version": "d0cad871703b", "lessThan": "9e6b8c1ff9d9", "status": "affected", "versionType": "git"}, {"version": "d0cad871703b", "lessThan": "9e6a3eccb287", "status": "affected", "versionType": "git"}, {"version": "d0cad871703b", "lessThan": "b95fb96e6339", "status": "affected", "versionType": "git"}, {"version": "d0cad871703b", "lessThan": "635ac38b3625", "status": "affected", "versionType": "git"}, {"version": "d0cad871703b", "lessThan": "70c886ac93f8", "status": "affected", "versionType": "git"}, {"version": "d0cad871703b", "lessThan": "46a8b29c6306", "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/net/usb/smsc75xx.c"], "versions": [{"version": "2.6.34", "status": "affected"}, {"version": "0", "lessThan": "2.6.34", "status": "unaffected", "versionType": "custom"}, {"version": "4.4.271", "lessThanOrEqual": "4.4.*", "status": "unaffected", "versionType": "custom"}, {"version": "4.9.271", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "custom"}, {"version": "4.14.235", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "custom"}, {"version": "4.19.193", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "custom"}, {"version": "5.4.124", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom"}, {"version": "5.10.42", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom"}, {"version": "5.12.9", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "custom"}, {"version": "5.13", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa"}, {"url": "https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f"}, {"url": "https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc"}, {"url": "https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07"}, {"url": "https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17"}, {"url": "https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0"}, {"url": "https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b"}, {"url": "https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70"}], "title": "net: usb: fix memory leak in smsc75xx_bind", "x_generator": {"engine": "bippy-a5840b7849dd"}}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A33A1AB8-3E91-4E38-B988-A00527F09E06", "versionEndExcluding": "4.4.271", "versionStartIncluding": "2.6.34", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "1E7DAE3A-78E9-45DB-96D8-4541CD7DC26B", "versionEndExcluding": "4.9.271", "versionStartIncluding": "4.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "03A23445-0C1A-42AB-AC5C-768360DDF32C", "versionEndExcluding": "4.14.235", "versionStartIncluding": "4.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C8DEF3EC-88D9-4B89-8CF9-64BD6C863C9D", "versionEndExcluding": "4.19.193", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "06FE0F99-F7A9-462A-8355-30E2EDA9826B", "versionEndExcluding": "5.4.124", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C3E7E799-1C8A-45FB-9E07-4731996144C9", "versionEndExcluding": "5.10.42", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2C8A1D02-81A7-44E5-ACFD-CC6A6694F930", "versionEndExcluding": "5.12.9", "versionStartIncluding": "5.11", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: fix memory leak in smsc75xx_bind\n\nSyzbot reported memory leak in smsc75xx_bind().\nThe problem was is non-freed memory in case of\nerrors after memory allocation.\n\nbacktrace:\n [<ffffffff84245b62>] kmalloc include/linux/slab.h:556 [inline]\n [<ffffffff84245b62>] kzalloc include/linux/slab.h:686 [inline]\n [<ffffffff84245b62>] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460\n [<ffffffff82b5b2e6>] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: net: usb: corrige la p\u00e9rdida de memoria en smsc75xx_bind Syzbot inform\u00f3 una p\u00e9rdida de memoria en smsc75xx_bind(). El problema era que la memoria no se liberaba en caso de errores despu\u00e9s de la asignaci\u00f3n de memoria. backtrace: [] kmalloc include/linux/slab.h:556 [en l\u00ednea] [] kzalloc include/linux/slab.h:686 [en l\u00ednea] [] smsc75xx_bind+0x7a/0x334 controladores/ net/usb/smsc75xx.c:1460 [] usbnet_probe+0x3b6/0xc30 controladores/net/usb/usbnet.c:1728"}], "id": "CVE-2021-47171", "lastModified": "2024-05-16T21:15:30.830", "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": "2024-03-25T10:15:08.917", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}