CVE-2025-37819

{"id": "CVE-2025-37819", "cveTags": [], "metrics": {}, "published": "2025-05-08T07:15:53.140", "references": [{"url": "https://git.kernel.org/stable/c/0c241dedc43a036599757cd08f356253fa3e5014", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2f2803e4b5e4df2b08d378deaab78b1681ef9b30", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3318dc299b072a0511d6dfd8367f3304fb6d9827", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3939d6f29d34cdb60e3f68b76e39e00a964a1d51", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/47bee0081b483b077c7560bc5358ad101f89c8ef", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b63de43af8d215b0499eac28b2caa4439183efc1", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/dc0d654eb4179b06d3206e4396d072108b9ba082", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f95659affee301464f0d058d528d96b35b452da8", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Awaiting Analysis", "descriptions": [{"lang": "en", "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."}], "lastModified": "2025-11-03T20:18:37.260", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}