CVE-2026-46286

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{}

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Odds are the hardware is sane, but just to be safe,\nproperly check before just overflowing and reading random data and then\nsetting up chip values based on that."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nleds: qcom-lpg: Comprobar el desbordamiento de la matriz al seleccionar la alta resoluci\u00f3n\n\nAl seleccionar los valores de alta resoluci\u00f3n de la matriz, se utiliza FIELD_GET() para extraer de un registro de 3 bits, sin embargo, la matriz que se est\u00e1 indexando tiene solo 5 valores. Lo m\u00e1s probable es que el hardware sea correcto, pero solo para estar seguros, comprobar correctamente antes de simplemente desbordarse y leer datos aleatorios y luego configurar los valores del chip bas\u00e1ndose en eso."}], "id": "CVE-2026-46286", "lastModified": "2026-07-23T08:10:00.137", "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"}]}, "published": "2026-06-08T17:16:46.627", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/28a2e047d03721e0517c67ee726eaa6621c30e5f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/36ce3094dc50598f38fd961b46688cd533940efc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/438e357b3cc6cd6900df271e4bc567bfe1142281"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d45963a93c1495e9f1338fde91d0ebba8fd22474"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f67a24e75d3251ba42538738120b6b659c0dca7d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: leds: qcom-lpg: Check for array overflow when selecting the high resolution", "id": "2486478", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486478"}, "csaw": false, "cwe": "CWE-125", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nleds: qcom-lpg: Check for array overflow when selecting the high resolution\nWhen selecting the high resolution values from the array, FIELD_GET() is\nused to pull from a 3 bit register, yet the array being indexed has only\n5 values in it. Odds are the hardware is sane, but just to be safe,\nproperly check before just overflowing and reading random data and then\nsetting up chip values based on that.", "A flaw was found in the Linux kernel's qcom-lpg LED driver. This vulnerability, an array overflow, occurs when the driver attempts to select high-resolution values. Due to incorrect indexing, the system may read random data from memory, which could lead to information disclosure or unpredictable system behavior. This issue arises because a 3-bit register is used to index an array that only contains 5 values, allowing out-of-bounds reads."], "name": "CVE-2026-46286", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-06-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-46286\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-46286\nhttps://lore.kernel.org/linux-cve-announce/2026060843-CVE-2026-46286-b3d1@gregkh/T"]}

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