CVE-2022-49190

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And it's required to release the resource using\nfree_resource(). Howerver, many people use kfree directly which will\nresult in kernel BUG. In order to fix this without fixing every call\nsite, just leak a couple of bytes in such corner case."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: kernel/resource: fix kfree() of bootmem memory again Desde el commit ebff7d8f270d (\"mem hotunplug: fix kfree() of bootmem memory\"), podr\u00edamos obtener un recurso asignado durante el arranque a trav\u00e9s de alloc_resource(). Y es necesario liberar el recurso utilizando free_resource(). Sin embargo, muchas personas utilizan kfree directamente, lo que dar\u00e1 como resultado un ERROR del kernel. Para solucionar esto sin reparar cada sitio de llamada, simplemente filtre un par de bytes en ese caso especial."}], "id": "CVE-2022-49190", "lastModified": "2026-11-05T20:16:59.903", "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": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-49190", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T19:44:23.543113Z", "version": "2.0.3"}}]}, "published": "2025-02-26T07:00:56.090", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0cbcc92917c5de80f15c24d033566539ad696892"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3379a60f6bb4afcd9c456e340ac525ae649d3ce7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a9e88c2618d228d7a4e7e515cf30dc0d0d813f27"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ab86020070999e758ce2e60c4348f20bf7ddba56"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d7faa04a44a0c37ac3d222fa8e0bdcbfcee9c0c8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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