CVE-2024-41055

{"id": "CVE-2024-41055", "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": "2024-07-29T15:15:13.620", "references": [{"url": "https://git.kernel.org/stable/c/0100aeb8a12d51950418e685f879cc80cb8e5982", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/797323d1cf92d09b7a017cfec576d9babf99cde7", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/82f0b6f041fad768c28b4ad05a683065412c226e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/941e816185661bf2b44b488565d09444ae316509", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/adccdf702b4ea913ded5ff512239e382d7473b63", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/bc17f2377818dca643a74499c3f5333500c90503", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/0100aeb8a12d51950418e685f879cc80cb8e5982", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/797323d1cf92d09b7a017cfec576d9babf99cde7", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/82f0b6f041fad768c28b4ad05a683065412c226e", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/941e816185661bf2b44b488565d09444ae316509", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/adccdf702b4ea913ded5ff512239e382d7473b63", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/bc17f2377818dca643a74499c3f5333500c90503", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: prevent derefencing NULL ptr in pfn_section_valid()\n\nCommit 5ec8e8ea8b77 (\"mm/sparsemem: fix race in accessing\nmemory_section->usage\") changed pfn_section_valid() to add a READ_ONCE()\ncall around \"ms->usage\" to fix a race with section_deactivate() where\nms->usage can be cleared. The READ_ONCE() call, by itself, is not enough\nto prevent NULL pointer dereference. We need to check its value before\ndereferencing it."}, {"lang": "es", "value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mm: evita la eliminaci\u00f3n de la referencia NULL ptr en pfn_section_valid() La confirmaci\u00f3n 5ec8e8ea8b77 (\"mm/sparsemem: corrige la ejecuci\u00f3n al acceder a la secci\u00f3n_memoria->uso\") cambi\u00f3 pfn_section_valid() para agregar un READ_ONCE() llame a \"ms->usage\" para arreglar una ejecuci\u00f3n con section_deactivate() donde se puede borrar ms->usage. La llamada READ_ONCE(), por s\u00ed sola, no es suficiente para evitar la desreferencia al puntero NULL. Necesitamos comprobar su valor antes de desreferenciarlo."}], "lastModified": "2025-11-03T22:17:28.547", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "138634FF-1840-4C45-8CDE-6174B6F50352", "versionEndExcluding": "5.10.222", "versionStartIncluding": "5.10.219"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0720413E-F29A-4C0A-9B57-5158A778C4A2", "versionEndExcluding": "5.15.163", "versionStartIncluding": "5.15.149"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6BFB68AD-DB7E-4C4C-B598-274D83D12C4B", "versionEndExcluding": "6.1.100", "versionStartIncluding": "6.1.76"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9D8E9231-015C-48A6-BBDD-9DCEA3145858", "versionEndExcluding": "6.6.41", "versionStartIncluding": "6.6.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6FAC1A24-181A-4DB7-801D-4BDF1B4E4116", "versionEndExcluding": "6.9.10", "versionStartIncluding": "6.8"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}