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This results in events being written to and read from an\nuninitialised kfifo. Read events are returned to userspace.\n\nInitialise the kfifo in the case where the software debounce is\nalready active."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: gpiolib: cdev: corrige kfifo no inicializado Si se solicita una l\u00ednea con antirrebote, y eso resulta en un antirrebote en el software, y la l\u00ednea se reconfigura posteriormente para habilitar la detecci\u00f3n de bordes, entonces se realiza la asignaci\u00f3n del Se pasa por alto kfifo para contener eventos de borde. Esto da como resultado que los eventos se escriban y lean desde un kfifo no inicializado. Los eventos le\u00eddos se devuelven al espacio de usuario. 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{"bugzilla": {"description": "kernel: gpiolib: cdev: fix uninitialised kfifo", "id": "2284551", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2284551"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-457", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ngpiolib: cdev: fix uninitialised kfifo\nIf a line is requested with debounce, and that results in debouncing\nin software, and the line is subsequently reconfigured to enable edge\ndetection then the allocation of the kfifo to contain edge events is\noverlooked. This results in events being written to and read from an\nuninitialised kfifo. Read events are returned to userspace.\nInitialise the kfifo in the case where the software debounce is\nalready active."], "name": "CVE-2024-36898", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-36898\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-36898\nhttps://lore.kernel.org/linux-cve-announce/2024053035-CVE-2024-36898-942c@gregkh/T"], "threat_severity": "Low"}

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