CVE-2021-47073

{"id": "CVE-2021-47073", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-03-01T22:15:47.060", "references": [{"url": "https://git.kernel.org/stable/c/0cf036a0d325200e6c27b90908e51195bbc557b1", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3a53587423d25c87af4b4126a806a0575104b45e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6fa78a6b9a3beb676a010dc489c1257f7e432525", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/75cfc833da4a2111106d4c134e93e0c7f41e35e7", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8d746ea7c687bab060a2c05a35c449302406cd52", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/0cf036a0d325200e6c27b90908e51195bbc557b1", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/3a53587423d25c87af4b4126a806a0575104b45e", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/6fa78a6b9a3beb676a010dc489c1257f7e432525", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/75cfc833da4a2111106d4c134e93e0c7f41e35e7", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/8d746ea7c687bab060a2c05a35c449302406cd52", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: dell-smbios-wmi: Fix oops on rmmod dell_smbios\n\ninit_dell_smbios_wmi() only registers the dell_smbios_wmi_driver on systems\nwhere the Dell WMI interface is supported. While exit_dell_smbios_wmi()\nunregisters it unconditionally, this leads to the following oops:\n\n[ 175.722921] ------------[ cut here ]------------\n[ 175.722925] Unexpected driver unregister!\n[ 175.722939] WARNING: CPU: 1 PID: 3630 at drivers/base/driver.c:194 driver_unregister+0x38/0x40\n...\n[ 175.723089] Call Trace:\n[ 175.723094] cleanup_module+0x5/0xedd [dell_smbios]\n...\n[ 175.723148] ---[ end trace 064c34e1ad49509d ]---\n\nMake the unregister happen on the same condition the register happens\nto fix this."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: plataforma/x86: dell-smbios-wmi: se corrigi\u00f3 Ups en rmmod dell_smbios init_dell_smbios_wmi() solo registra dell_smbios_wmi_driver en sistemas donde se admite la interfaz Dell WMI. Si bien exit_dell_smbios_wmi() lo cancela del registro incondicionalmente, esto genera lo siguiente: [175.722921] ------------[ cortar aqu\u00ed ]------------ [ 175.722925] Inesperado \u00a1Dar de baja al conductor! [175.722939] ADVERTENCIA: CPU: 1 PID: 3630 en drivers/base/driver.c:194 driver_unregister+0x38/0x40... [175.723089] Seguimiento de llamadas: [175.723094] cleanup_module+0x5/0xedd [dell_smbios]... [ 175.723148] ---[ end trace 064c34e1ad49509d ]--- Haga que la cancelaci\u00f3n del registro se realice en las mismas condiciones que el registro para solucionar este problema."}], "lastModified": "2025-01-09T15:24:54.467", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D16B80B0-1DAC-4C57-B665-6BE9E231EDDA", "versionEndExcluding": "4.19.192", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6530C9FA-EEF8-4821-9186-47F7A1FA3C1A", "versionEndExcluding": "5.4.122", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "69DD053C-277F-4A8C-9606-11A24F806D05", "versionEndExcluding": "5.10.40", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E8F2CE30-38B0-4716-B12B-A139B0F9C5C9", "versionEndExcluding": "5.12.7", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0CBAD0FC-C281-4666-AB2F-F8E6E1165DF7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "96AC23B2-D46A-49D9-8203-8E1BEDCA8532"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}