{ "id": "CVE-2021-47165", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-03-25T10:15:08.620", "lastModified": "2025-03-03T17:46:31.550", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/meson: fix shutdown crash when component not probed\n\nWhen main component is not probed, by example when the dw-hdmi module is\nnot loaded yet or in probe defer, the following crash appears on shutdown:\n\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000038\n...\npc : meson_drv_shutdown+0x24/0x50\nlr : platform_drv_shutdown+0x20/0x30\n...\nCall trace:\nmeson_drv_shutdown+0x24/0x50\nplatform_drv_shutdown+0x20/0x30\ndevice_shutdown+0x158/0x360\nkernel_restart_prepare+0x38/0x48\nkernel_restart+0x18/0x68\n__do_sys_reboot+0x224/0x250\n__arm64_sys_reboot+0x24/0x30\n...\n\nSimply check if the priv struct has been allocated before using it." }, { "lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: drm/meson: corrige el fallo de apagado cuando el componente no se prueba Cuando el componente principal no se prueba, por ejemplo, cuando el m\u00f3dulo dw-hdmi a\u00fan no est\u00e1 cargado o en el aplazamiento de la prueba, se produce el siguiente fallo aparece al apagar: No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\u00f3n virtual 0000000000000038... pc: meson_drv_shutdown+0x24/0x50 lr: platform_drv_shutdown+0x20/0x30... Rastreo de llamadas: meson_drv_shutdown+0x24/0x50 platform_drv_shutdown+0x20/0x3 0 dispositivo_apagado+ 0x158/0x360 kernel_restart_prepare+0x38/0x48 kernel_restart+0x18/0x68 __do_sys_reboot+0x224/0x250 __arm64_sys_reboot+0x24/0x30... Simplemente verifique si la estructura priv se ha asignado antes de usarla." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14.226", "versionEndExcluding": "4.14.235", "matchCriteriaId": "A07A64EB-4EF7-4E9B-B9FF-644C696B0956" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19.181", "versionEndExcluding": "4.19.193", "matchCriteriaId": "91721D26-39B5-40A4-A968-A31040F12DD0" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4.106", "versionEndExcluding": "5.4.124", "matchCriteriaId": "B2A93BFA-D696-43D4-9C26-B767EEAFCF3F" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.24", "versionEndExcluding": "5.10.42", "matchCriteriaId": "59C0E6BA-30A4-474C-B391-98594A614B32" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "5.12.9", "matchCriteriaId": "3B1CFA77-6B5E-430C-AC49-3B3508F2D903" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*", "matchCriteriaId": "0CBAD0FC-C281-4666-AB2F-F8E6E1165DF7" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*", "matchCriteriaId": "96AC23B2-D46A-49D9-8203-8E1BEDCA8532" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*", "matchCriteriaId": "DA610E30-717C-4700-9F77-A3C9244F3BFD" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] } ] }