CVE-2025-37819

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But, the call back is wrongly marked as\n__init, causing it to be freed, while being registered with the PCI\nsubsystem and could trigger:\n\n Unable to handle kernel paging request at virtual address ffff8000816c0400\n gicv2m_get_fwnode+0x0/0x58 (P)\n pci_set_bus_msi_domain+0x74/0x88\n pci_register_host_bridge+0x194/0x548\n\nThis is easily reproducible on a Juno board with ACPI boot.\n\nRetain the function for later use."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/irqchip/irq-gic-v2m.c"], "versions": [{"version": "0644b3daca28dcb320373ae20069c269c9386304", "lessThan": "0c241dedc43a036599757cd08f356253fa3e5014", "status": "affected", "versionType": "git"}, {"version": "0644b3daca28dcb320373ae20069c269c9386304", "lessThan": "b63de43af8d215b0499eac28b2caa4439183efc1", "status": "affected", "versionType": "git"}, {"version": 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"https://git.kernel.org/stable/c/3318dc299b072a0511d6dfd8367f3304fb6d9827"}], "title": "irqchip/gic-v2m: Prevent use after free of gicv2m_get_fwnode()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T19:55:52.082Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-37819", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-06-10T20:42:12.226735Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-11T18:44:20.498Z"}}]}}

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But, the call back is wrongly marked as\n__init, causing it to be freed, while being registered with the PCI\nsubsystem and could trigger:\n\n Unable to handle kernel paging request at virtual address ffff8000816c0400\n gicv2m_get_fwnode+0x0/0x58 (P)\n pci_set_bus_msi_domain+0x74/0x88\n pci_register_host_bridge+0x194/0x548\n\nThis is easily reproducible on a Juno board with ACPI boot.\n\nRetain the function for later use."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.294", "versionStartIncluding": "4.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.238", "versionStartIncluding": "4.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.182", "versionStartIncluding": "4.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.138", "versionStartIncluding": "4.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.89", "versionStartIncluding": "4.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.26", "versionStartIncluding": "4.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.14.5", "versionStartIncluding": "4.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.15", "versionStartIncluding": "4.5"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:15:45.443Z"}}}, "cveMetadata": {"cveId": "CVE-2025-37819", "state": "PUBLISHED", "dateUpdated": "2026-06-11T18:44:20.498Z", "dateReserved": "2025-04-16T04:51:23.947Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-05-08T06:26:13.975Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nirqchip/gic-v2m: Prevent use after free of gicv2m_get_fwnode()\n\nWith ACPI in place, gicv2m_get_fwnode() is registered with the pci\nsubsystem as pci_msi_get_fwnode_cb(), which may get invoked at runtime\nduring a PCI host bridge probe. But, the call back is wrongly marked as\n__init, causing it to be freed, while being registered with the PCI\nsubsystem and could trigger:\n\n Unable to handle kernel paging request at virtual address ffff8000816c0400\n gicv2m_get_fwnode+0x0/0x58 (P)\n pci_set_bus_msi_domain+0x74/0x88\n pci_register_host_bridge+0x194/0x548\n\nThis is easily reproducible on a Juno board with ACPI boot.\n\nRetain the function for later use."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: irqchip/gic-v2m: Impedir el uso tras la liberaci\u00f3n de gicv2m_get_fwnode() Con ACPI en su lugar, gicv2m_get_fwnode() se registra en el subsistema pci como pci_msi_get_fwnode_cb(), que puede invocarse en tiempo de ejecuci\u00f3n durante un sondeo de puente de host PCI. Pero, la devoluci\u00f3n de llamada se marca err\u00f3neamente como __init, lo que provoca que se libere, mientras se registra en el subsistema PCI y podr\u00eda desencadenar: No se puede manejar la solicitud de paginaci\u00f3n del kernel en la direcci\u00f3n virtual ffff8000816c0400 gicv2m_get_fwnode+0x0/0x58 (P) pci_set_bus_msi_domain+0x74/0x88 pci_register_host_bridge+0x194/0x548 Esto es f\u00e1cilmente reproducible en una placa Juno con arranque ACPI. Conserve la funci\u00f3n para uso posterior."}], "id": "CVE-2025-37819", "lastModified": "2026-06-17T09:15:30.200", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-37819", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-10T20:42:12.226735Z", "version": "2.0.3"}}]}, "published": "2025-05-08T07:15:53.140", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0c241dedc43a036599757cd08f356253fa3e5014"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2f2803e4b5e4df2b08d378deaab78b1681ef9b30"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3318dc299b072a0511d6dfd8367f3304fb6d9827"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3939d6f29d34cdb60e3f68b76e39e00a964a1d51"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/47bee0081b483b077c7560bc5358ad101f89c8ef"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b63de43af8d215b0499eac28b2caa4439183efc1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dc0d654eb4179b06d3206e4396d072108b9ba082"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f95659affee301464f0d058d528d96b35b452da8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: irqchip/gic-v2m: Prevent use after free of gicv2m_get_fwnode()", "id": "2365032", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2365032"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nirqchip/gic-v2m: Prevent use after free of gicv2m_get_fwnode()\nWith ACPI in place, gicv2m_get_fwnode() is registered with the pci\nsubsystem as pci_msi_get_fwnode_cb(), which may get invoked at runtime\nduring a PCI host bridge probe. But, the call back is wrongly marked as\n__init, causing it to be freed, while being registered with the PCI\nsubsystem and could trigger:\nUnable to handle kernel paging request at virtual address ffff8000816c0400\ngicv2m_get_fwnode+0x0/0x58 (P)\npci_set_bus_msi_domain+0x74/0x88\npci_register_host_bridge+0x194/0x548\nThis is easily reproducible on a Juno board with ACPI boot.\nRetain the function for later use."], "name": "CVE-2025-37819", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "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": "2025-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-37819\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-37819\nhttps://lore.kernel.org/linux-cve-announce/2025050820-CVE-2025-37819-a3b9@gregkh/T"], "threat_severity": "Moderate"}

{}