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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "23DAD647-D3B8-49F9-BBDB-F2F199551C0C", "versionEndExcluding": "5.4.139", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "34B4D3ED-38F6-4382-9A01-BEBDAE0BC666", "versionEndExcluding": "5.10.57", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "512C22FC-1524-4E6F-9E62-4F4B7B6E0576", "versionEndExcluding": "5.13.6", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*", "matchCriteriaId": "71268287-21A8-4488-AA4F-23C473153131", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.14:rc2:*:*:*:*:*:*", "matchCriteriaId": "23B9E5C6-FAB5-4A02-9E39-27C8787B0991", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: fix NULL pointer dereference\n\nCommit 71f642833284 (\"ACPI: utils: Fix reference counting in\nfor_each_acpi_dev_match()\") started doing \"acpi_dev_put()\" on a pointer\nthat was possibly NULL. That fails miserably, because that helper\ninline function is not set up to handle that case.\n\nJust make acpi_dev_put() silently accept a NULL pointer, rather than\ncalling down to put_device() with an invalid offset off that NULL\npointer."}, {"lang": "es", "value": " En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: ACPI: corrige la desreferencia del puntero NULL. La confirmaci\u00f3n 71f642833284 (\"ACPI: utils: corrige el recuento de referencias en for_each_acpi_dev_match()\") comenz\u00f3 a hacer \"acpi_dev_put()\" en un puntero que posiblemente era NULL. Eso falla estrepitosamente, porque esa funci\u00f3n auxiliar en l\u00ednea no est\u00e1 configurada para manejar ese caso. Simplemente haga que acpi_dev_put() acepte silenciosamente un puntero NULL, en lugar de llamar a put_device() con un desplazamiento no v\u00e1lido de ese puntero NULL."}], "id": "CVE-2021-47289", "lastModified": "2024-12-23T16:46:39.860", "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": "[email protected]", "type": "Primary"}]}, "published": "2024-05-21T15:15:16.950", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/38f54217b423c0101d03a00feec6fb8ec608b12e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cae3fa3d8165761f3000f523b11cfa1cd35206bc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ccf23a0888077a25a0793a746c3941db2a7562e4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fc68f42aa737dc15e7665a4101d4168aadb8e4c4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/38f54217b423c0101d03a00feec6fb8ec608b12e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cae3fa3d8165761f3000f523b11cfa1cd35206bc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ccf23a0888077a25a0793a746c3941db2a7562e4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fc68f42aa737dc15e7665a4101d4168aadb8e4c4"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "[email protected]", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:7001", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-553.22.1.rt7.363.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-09-24T00:00:00Z"}, {"advisory": "RHSA-2024:7000", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-553.22.1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-09-24T00:00:00Z"}], "bugzilla": {"description": "kernel: ACPI: fix NULL pointer dereference", "id": "2282508", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282508"}, "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": "verified"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nACPI: fix NULL pointer dereference\nCommit 71f642833284 (\"ACPI: utils: Fix reference counting in\nfor_each_acpi_dev_match()\") started doing \"acpi_dev_put()\" on a pointer\nthat was possibly NULL. That fails miserably, because that helper\ninline function is not set up to handle that case.\nJust make acpi_dev_put() silently accept a NULL pointer, rather than\ncalling down to put_device() with an invalid offset off that NULL\npointer."], "mitigation": {"lang": "en:us", "value": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible."}, "name": "CVE-2021-47289", "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: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": "2024-05-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47289\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47289\nhttps://lore.kernel.org/linux-cve-announce/2024052122-CVE-2021-47289-7cbb@gregkh/T"], "threat_severity": "Moderate", "upstream_fix": "kernel 5.4.139, kernel 5.10.57, kernel 5.13.6, kernel 5.14"}