{ "id": "CVE-2021-47134", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-03-15T21:15:07.780", "lastModified": "2025-02-27T03:21:29.833", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nefi/fdt: fix panic when no valid fdt found\n\nsetup_arch() would invoke efi_init()->efi_get_fdt_params(). If no\nvalid fdt found then initial_boot_params will be null. So we\nshould stop further fdt processing here. I encountered this\nissue on risc-v." }, { "lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: efi/fdt: corrige el p\u00e1nico cuando no se encuentra un fdt v\u00e1lido. setup_arch() invocar\u00eda efi_init()->efi_get_fdt_params(). Si no se encuentra un fdt v\u00e1lido, inicial_boot_params ser\u00e1 nulo. Por lo tanto, deber\u00edamos detener el procesamiento adicional de fdt aqu\u00ed. Encontr\u00e9 este problema en risc-v." } ], "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": "Primary", "description": [ { "lang": "en", "value": "CWE-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.10.43", "matchCriteriaId": "32652207-93DC-4F63-B95C-958CCBD05D49" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.12.10", "matchCriteriaId": "27384800-AB48-4C08-891E-34B66F5FC4AA" }, { "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" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:*", "matchCriteriaId": "1ECD33F5-85BE-430B-8F86-8D7BD560311D" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/5148066edbdc89c6fe5bc419c31a5c22e5f83bdb", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/668a84c1bfb2b3fd5a10847825a854d63fac7baa", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/8a7e8b4e5631a03ea2fee27957857a56612108ca", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/5148066edbdc89c6fe5bc419c31a5c22e5f83bdb", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/668a84c1bfb2b3fd5a10847825a854d63fac7baa", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/8a7e8b4e5631a03ea2fee27957857a56612108ca", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] } ] }