CVE-2024-27079
Vulnerability from cvelistv5
Published
2024-05-01 13:04
Modified
2024-11-05 09:21
Severity ?
Summary
iommu/vt-d: Fix NULL domain on device release
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/333fe86968482ca701c609af590003bcea450e8f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/81e921fd321614c2ad8ac333b041aae1da7a1c6d
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

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                "id": "CVE-2024-27079",
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                "role": "CISA Coordinator",
                "timestamp": "2024-05-28T17:45:27.745235Z",
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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    "cna": {
      "affected": [
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          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/iommu/intel/iommu.c",
            "drivers/iommu/intel/pasid.c",
            "drivers/iommu/intel/pasid.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/vt-d: Fix NULL domain on device release\n\nIn the kdump kernel, the IOMMU operates in deferred_attach mode. In this\nmode, info-\u003edomain may not yet be assigned by the time the release_device\nfunction is called. It leads to the following crash in the crash kernel:\n\n    BUG: kernel NULL pointer dereference, address: 000000000000003c\n    ...\n    RIP: 0010:do_raw_spin_lock+0xa/0xa0\n    ...\n    _raw_spin_lock_irqsave+0x1b/0x30\n    intel_iommu_release_device+0x96/0x170\n    iommu_deinit_device+0x39/0xf0\n    __iommu_group_remove_device+0xa0/0xd0\n    iommu_bus_notifier+0x55/0xb0\n    notifier_call_chain+0x5a/0xd0\n    blocking_notifier_call_chain+0x41/0x60\n    bus_notify+0x34/0x50\n    device_del+0x269/0x3d0\n    pci_remove_bus_device+0x77/0x100\n    p2sb_bar+0xae/0x1d0\n    ...\n    i801_probe+0x423/0x740\n\nUse the release_domain mechanism to fix it. The scalable mode context\nentry which is not part of release domain should be cleared in\nrelease_device()."
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        "dateUpdated": "2024-11-05T09:21:15.733Z",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-27079",
    "datePublished": "2024-05-01T13:04:58.511Z",
    "dateReserved": "2024-02-19T14:20:24.217Z",
    "dateUpdated": "2024-11-05T09:21:15.733Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-27079\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-01T13:15:51.443\",\"lastModified\":\"2024-05-01T19:50:25.633\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\niommu/vt-d: Fix NULL domain on device release\\n\\nIn the kdump kernel, the IOMMU operates in deferred_attach mode. In this\\nmode, info-\u003edomain may not yet be assigned by the time the release_device\\nfunction is called. It leads to the following crash in the crash kernel:\\n\\n    BUG: kernel NULL pointer dereference, address: 000000000000003c\\n    ...\\n    RIP: 0010:do_raw_spin_lock+0xa/0xa0\\n    ...\\n    _raw_spin_lock_irqsave+0x1b/0x30\\n    intel_iommu_release_device+0x96/0x170\\n    iommu_deinit_device+0x39/0xf0\\n    __iommu_group_remove_device+0xa0/0xd0\\n    iommu_bus_notifier+0x55/0xb0\\n    notifier_call_chain+0x5a/0xd0\\n    blocking_notifier_call_chain+0x41/0x60\\n    bus_notify+0x34/0x50\\n    device_del+0x269/0x3d0\\n    pci_remove_bus_device+0x77/0x100\\n    p2sb_bar+0xae/0x1d0\\n    ...\\n    i801_probe+0x423/0x740\\n\\nUse the release_domain mechanism to fix it. The scalable mode context\\nentry which is not part of release domain should be cleared in\\nrelease_device().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: iommu/vt-d: corrige el dominio NULL al lanzar el dispositivo. En el kernel kdump, IOMMU opera en modo deferred_attach. En este modo, es posible que info-\u0026gt;dominio a\u00fan no est\u00e9 asignado cuando se llama a la funci\u00f3n release_device. Conduce al siguiente bloqueo en el kernel bloqueado: ERROR: desreferencia del puntero NULL del kernel, direcci\u00f3n: 000000000000003c ... RIP: 0010:do_raw_spin_lock+0xa/0xa0 ... _raw_spin_lock_irqsave+0x1b/0x30 intel_iommu_release_device+0x96/0x170 +0x39/ 0xf0 __iommu_group_remove_device+0xa0/0xd0 iommu_bus_notifier+0x55/0xb0 notifier_call_chain+0x5a/0xd0 blocking_notifier_call_chain+0x41/0x60 bus_notify+0x34/0x50 device_del+0x269/0x3d0 vice+0x77/0x100 p2sb_bar+0xae/0x1d0 ... i801_probe+0x423/0x740 Uso el mecanismo release_domain para solucionarlo. La entrada de contexto del modo escalable que no forma parte del dominio de lanzamiento debe borrarse en release_device().\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/333fe86968482ca701c609af590003bcea450e8f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/81e921fd321614c2ad8ac333b041aae1da7a1c6d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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