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{"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsoundwire: cadence: fix invalid PDI offset\n\nFor some reason, we add an offset to the PDI, presumably to skip the\nPDI0 and PDI1 which are reserved for BPT.\n\nThis code is however completely wrong and leads to an out-of-bounds\naccess. We were just lucky so far since we used only a couple of PDIs\nand remained within the PDI array bounds.\n\nA Fixes: tag is not provided since there are no known platforms where\nthe out-of-bounds would be accessed, and the initial code had problems\nas well.\n\nA follow-up patch completely removes this useless offset."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: soundwire: cadencia: corrige el desplazamiento de PDI no v\u00e1lido. Por alguna raz\u00f3n, agregamos un desplazamiento al PDI, presumiblemente para omitir el PDI0 y el PDI1 que est\u00e1n reservados para BPT. Sin embargo, este c\u00f3digo es completamente err\u00f3neo y conduce a un acceso fuera de los l\u00edmites. Hasta ahora tuvimos suerte ya que solo usamos un par de PDI y nos mantuvimos dentro de los l\u00edmites de la matriz de PDI. No se proporciona una etiqueta de Correcciones: ya que no hay plataformas conocidas donde se pueda acceder a los l\u00edmites, y el c\u00f3digo inicial tambi\u00e9n ten\u00eda problemas. Un parche de seguimiento elimina por completo esta compensaci\u00f3n in\u00fatil."}], "id": "CVE-2024-38635", "lastModified": "2024-11-21T09:26:32.623", "metrics": {}, "published": "2024-06-21T11:15:12.240", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/002364b2d594a9afc0385c09e00994c510b1d089"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2ebcaa0e5db9b6044bb487ae1cf41bc601761567"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4e99103f757cdf636c6ee860994a19a346a11785"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7eeef1e935d23db5265233d92395bd5c648a4021"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8ee1b439b1540ae543149b15a2a61b9dff937d91"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/902f6d656441a511ac25c6cffce74496db10a078"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fd4bcb991ebaf0d1813d81d9983cfa99f9ef5328"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/002364b2d594a9afc0385c09e00994c510b1d089"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/2ebcaa0e5db9b6044bb487ae1cf41bc601761567"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/4e99103f757cdf636c6ee860994a19a346a11785"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/7eeef1e935d23db5265233d92395bd5c648a4021"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/8ee1b439b1540ae543149b15a2a61b9dff937d91"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/902f6d656441a511ac25c6cffce74496db10a078"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/fd4bcb991ebaf0d1813d81d9983cfa99f9ef5328"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "bugzilla": {"description": "kernel: soundwire: cadence: fix invalid PDI offset", "id": "2293693", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2293693"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-125", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nsoundwire: cadence: fix invalid PDI offset\nFor some reason, we add an offset to the PDI, presumably to skip the\nPDI0 and PDI1 which are reserved for BPT.\nThis code is however completely wrong and leads to an out-of-bounds\naccess. We were just lucky so far since we used only a couple of PDIs\nand remained within the PDI array bounds.\nA Fixes: tag is not provided since there are no known platforms where\nthe out-of-bounds would be accessed, and the initial code had problems\nas well.\nA follow-up patch completely removes this useless offset."], "name": "CVE-2024-38635", "package_state": [{"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": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-06-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-38635\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-38635\nhttps://lore.kernel.org/linux-cve-announce/2024062143-CVE-2024-38635-a3b1@gregkh/T"], "threat_severity": "Moderate", "upstream_fix": "kernel 5.4.278, kernel 5.10.219, kernel 5.15.161, kernel 6.1.93, kernel 6.6.33, kernel 6.9.4, kernel 6.10-rc1"}