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{"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: ti: k3-udma-glue: Fix of_k3_udma_glue_parse_chn_by_id()\n\nThe of_k3_udma_glue_parse_chn_by_id() helper function erroneously\ninvokes \"of_node_put()\" on the \"udmax_np\" device-node passed to it,\nwithout having incremented its reference count at any point. Fix it."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: dmaengine: ti: k3-udma-glue: Fix of_k3_udma_glue_parse_chn_by_id() La funci\u00f3n auxiliar of_k3_udma_glue_parse_chn_by_id() invoca err\u00f3neamente \"of_node_put()\" en el nodo de dispositivo \"udmax_np\" que se le pas\u00f3 , sin haber incrementado su recuento de referencias en ning\u00fan momento. Arreglalo."}], "id": "CVE-2024-40991", "lastModified": "2024-11-21T09:32:01.197", "metrics": {}, "published": "2024-07-12T13:15:20.430", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a5ab5f413d1e4c7ed5f64271b025f0726374509e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ba27e9d2207784da748b19170a2e56bd7770bd81"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/a5ab5f413d1e4c7ed5f64271b025f0726374509e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/ba27e9d2207784da748b19170a2e56bd7770bd81"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: dmaengine: ti: k3-udma-glue: Fix of_k3_udma_glue_parse_chn_by_id()", "id": "2297575", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2297575"}, "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": "draft"}, "cwe": "CWE-911", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndmaengine: ti: k3-udma-glue: Fix of_k3_udma_glue_parse_chn_by_id()\nThe of_k3_udma_glue_parse_chn_by_id() helper function erroneously\ninvokes \"of_node_put()\" on the \"udmax_np\" device-node passed to it,\nwithout having incremented its reference count at any point. Fix it.", "A vulnerability was found in the Linux kernel's DMA engine component due to an issue in the `of_k3_udma_glue_parse_chn_by_id()` helper function. It incorrectly invoked the `of_node_put()` function on the `udmax_np` device-node without first incrementing its reference count, which could lead to potential issues in resource management."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2024-40991", "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": "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": "2024-07-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-40991\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-40991\nhttps://lore.kernel.org/linux-cve-announce/2024071250-CVE-2024-40991-34b6@gregkh/T"], "statement": "Red Hat Enterprise Linux is not vulnerable to this CVE, as it does not affect the versions or configurations of the Linux kernel used in its distributions.", "threat_severity": "Moderate"}

{"created": "2025-07-12T22:23:22.870670+00:00", "updated": "2025-07-12T22:23:22.870737+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}