{ "id": "CVE-2021-47048", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-02-28T09:15:40.370", "lastModified": "2024-12-09T19:05:02.510", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: spi-zynqmp-gqspi: fix use-after-free in zynqmp_qspi_exec_op\n\nWhen handling op->addr, it is using the buffer \"tmpbuf\" which has been\nfreed. This will trigger a use-after-free KASAN warning. Let's use\ntemporary variables to store op->addr.val and op->cmd.opcode to fix\nthis issue." }, { "lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: spi: spi-zynqmp-gqspi: corrige use-after-free en zynqmp_qspi_exec_op Al manejar op->addr, se utiliza el buffer \"tmpbuf\" que ha sido liberado. Esto activar\u00e1 una advertencia de KASAN de use-after-free. Usemos variables temporales para almacenar op->addr.val y op->cmd.opcode para solucionar este problema." } ], "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:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 5.9 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-416" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.10.37", "matchCriteriaId": "4E433B72-3E3A-435E-9A66-80D28868BDF2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.11.21", "matchCriteriaId": "8CBB94EC-EC33-4464-99C5-03E5542715F0" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "5.12.4", "matchCriteriaId": "D8C7052F-1B7B-4327-9C2B-84EBF3243838" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/1231279389b5e638bc3b66b9741c94077aed4b5a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/23269ac9f123eca3aea7682d3345c02e71ed696c", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/a2c5bedb2d55dd27c642c7b9fb6886d7ad7bdb58", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/d67e0d6bd92ebbb0294e7062bbf5cdc773764e62", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/1231279389b5e638bc3b66b9741c94077aed4b5a", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/23269ac9f123eca3aea7682d3345c02e71ed696c", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/a2c5bedb2d55dd27c642c7b9fb6886d7ad7bdb58", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/d67e0d6bd92ebbb0294e7062bbf5cdc773764e62", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] } ] }