CVE-2025-38216

{"id": "CVE-2025-38216", "cveTags": [], "metrics": {}, "published": "2025-07-04T14:15:30.103", "references": [{"url": "https://git.kernel.org/stable/c/320302baed05c6456164652541f23d2a96522c06", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d43c81b691813e16a2d08208ce8947aebdab83cd", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/fb5873b779dd5858123c19bbd6959566771e2e83", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Awaiting Analysis", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/vt-d: Restore context entry setup order for aliased devices\n\nCommit 2031c469f816 (\"iommu/vt-d: Add support for static identity domain\")\nchanged the context entry setup during domain attachment from a\nset-and-check policy to a clear-and-reset approach. This inadvertently\nintroduced a regression affecting PCI aliased devices behind PCIe-to-PCI\nbridges.\n\nSpecifically, keyboard and touchpad stopped working on several Apple\nMacbooks with below messages:\n\n kernel: platform pxa2xx-spi.3: Adding to iommu group 20\n kernel: input: Apple SPI Keyboard as\n /devices/pci0000:00/0000:00:1e.3/pxa2xx-spi.3/spi_master/spi2/spi-APP000D:00/input/input0\n kernel: DMAR: DRHD: handling fault status reg 3\n kernel: DMAR: [DMA Read NO_PASID] Request device [00:1e.3] fault addr\n 0xffffa000 [fault reason 0x06] PTE Read access is not set\n kernel: DMAR: DRHD: handling fault status reg 3\n kernel: DMAR: [DMA Read NO_PASID] Request device [00:1e.3] fault addr\n 0xffffa000 [fault reason 0x06] PTE Read access is not set\n kernel: applespi spi-APP000D:00: Error writing to device: 01 0e 00 00\n kernel: DMAR: DRHD: handling fault status reg 3\n kernel: DMAR: [DMA Read NO_PASID] Request device [00:1e.3] fault addr\n 0xffffa000 [fault reason 0x06] PTE Read access is not set\n kernel: DMAR: DRHD: handling fault status reg 3\n kernel: applespi spi-APP000D:00: Error writing to device: 01 0e 00 00\n\nFix this by restoring the previous context setup order."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: iommu/vt-d: Restaurar el orden de configuraci\u00f3n de la entrada de contexto para dispositivos con alias. El commit 2031c469f816 (\"iommu/vt-d: A\u00f1adir compatibilidad con dominio de identidad est\u00e1tica\") cambi\u00f3 la configuraci\u00f3n de la entrada de contexto durante la conexi\u00f3n del dominio, de una pol\u00edtica de \"establecer y comprobar\" a una de \"borrar y restablecer\". Esto introdujo inadvertidamente una regresi\u00f3n que afectaba a los dispositivos con alias PCI tras puentes PCIe a PCI. Espec\u00edficamente, el teclado y el panel t\u00e1ctil dejaron de funcionar en varias Apple Macbooks con los siguientes mensajes: kernel: platform pxa2xx-spi.3: Adding to iommu group 20 kernel: input: Apple SPI Keyboard as /devices/pci0000:00/0000:00:1e.3/pxa2xx-spi.3/spi_master/spi2/spi-APP000D:00/input/input0 kernel: DMAR: DRHD: handling fault status reg 3 kernel: DMAR: [DMA Read NO_PASID] Request device [00:1e.3] fault addr 0xffffa000 [fault reason 0x06] PTE Read access is not set kernel: DMAR: DRHD: handling fault status reg 3 kernel: DMAR: [DMA Read NO_PASID] Request device [00:1e.3] fault addr 0xffffa000 [fault reason 0x06] PTE Read access is not set kernel: applespi spi-APP000D:00: Error writing to device: 01 0e 00 00 kernel: DMAR: DRHD: handling fault status reg 3 kernel: DMAR: [DMA Read NO_PASID] Request device [00:1e.3] fault addr 0xffffa000 [fault reason 0x06] PTE Read access is not set kernel: DMAR: DRHD: handling fault status reg 3 kernel: applespi spi-APP000D:00: Error writing to device: 01 0e 00 00 Solucione esto restaurando el orden de configuraci\u00f3n del contexto anterior."}], "lastModified": "2025-07-08T16:18:53.607", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}