CVE-2026-43372

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{}

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Indeed, the\nksz_ptp_irq_setup()'s error path only frees the mappings that were\nsuccessfully set up.\n\nDispose the newly created mapping if the associated\nrequest_threaded_irq() fails at setup."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nnet: dsa: microchip: Corregir ruta de error en la configuraci\u00f3n de IRQ de PTP\n\nSi request_threaded_irq() falla durante la configuraci\u00f3n de IRQ de mensajes PTP, la asignaci\u00f3n de IRQ reci\u00e9n creada nunca se elimina. De hecho, la ruta de error de ksz_ptp_irq_setup() solo libera las asignaciones que se configuraron correctamente.\n\nEliminar la asignaci\u00f3n reci\u00e9n creada si la request_threaded_irq() asociada falla en la configuraci\u00f3n."}], "id": "CVE-2026-43372", "lastModified": "2026-11-11T20:10:00.273", "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": "2026-05-08T15:16:48.313", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3704ac6a0d9a78f66a187515a8ca3faedaf01cc5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6c58a9fdb0d0e1011aa02455d26d6ebea251979b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/99c8c16a4aad0b37293cae213e15957c573cf79b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c2d1d41e0e8ec447d40a5752844fc5fb0b23db27"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e80fef36c676c947072dabeb5803ae59d92ba493"}], "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: net: dsa: microchip: Fix error path in PTP IRQ setup", "id": "2468147", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468147"}, "csaw": false, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel's Microchip DSA (Distributed Switch Architecture) driver. During the setup of a PTP (Precision Time Protocol) interrupt, an error can occur where system resources are not properly released. This resource leak could allow a local attacker to cause a denial of service by exhausting available system resources."], "name": "CVE-2026-43372", "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": "2026-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43372\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43372\nhttps://lore.kernel.org/linux-cve-announce/2026050830-CVE-2026-43372-d898@gregkh/T"]}

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