{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/arm-smmu: Use the correct type in nvidia_smmu_context_fault()\n\nThis was missed because of the function pointer indirection.\n\nnvidia_smmu_context_fault() is also installed as a irq function, and the\n'void *' was changed to a struct arm_smmu_domain. Since the iommu_domain\nis embedded at a non-zero offset this causes nvidia_smmu_context_fault()\nto miscompute the offset. Fixup the types.\n\n  Unable to handle kernel NULL pointer dereference at virtual address 0000000000000120\n  Mem abort info:\n    ESR = 0x0000000096000004\n    EC = 0x25: DABT (current EL), IL = 32 bits\n    SET = 0, FnV = 0\n    EA = 0, S1PTW = 0\n    FSC = 0x04: level 0 translation fault\n  Data abort info:\n    ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000\n    CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n    GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\n  user pgtable: 4k pages, 48-bit VAs, pgdp=0000000107c9f000\n  [0000000000000120] pgd=0000000000000000, p4d=0000000000000000\n  Internal error: Oops: 0000000096000004 [#1] SMP\n  Modules linked in:\n  CPU: 1 PID: 47 Comm: kworker/u25:0 Not tainted 6.9.0-0.rc7.58.eln136.aarch64 #1\n  Hardware name: Unknown NVIDIA Jetson Orin NX/NVIDIA Jetson Orin NX, BIOS 3.1-32827747 03/19/2023\n  Workqueue: events_unbound deferred_probe_work_func\n  pstate: 604000c9 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n  pc : nvidia_smmu_context_fault+0x1c/0x158\n  lr : __free_irq+0x1d4/0x2e8\n  sp : ffff80008044b6f0\n  x29: ffff80008044b6f0 x28: ffff000080a60b18 x27: ffffd32b5172e970\n  x26: 0000000000000000 x25: ffff0000802f5aac x24: ffff0000802f5a30\n  x23: ffff0000802f5b60 x22: 0000000000000057 x21: 0000000000000000\n  x20: ffff0000802f5a00 x19: ffff000087d4cd80 x18: ffffffffffffffff\n  x17: 6234362066666666 x16: 6630303078302d30 x15: ffff00008156d888\n  x14: 0000000000000000 x13: ffff0000801db910 x12: ffff00008156d6d0\n  x11: 0000000000000003 x10: ffff0000801db918 x9 : ffffd32b50f94d9c\n  x8 : 1fffe0001032fda1 x7 : ffff00008197ed00 x6 : 000000000000000f\n  x5 : 000000000000010e x4 : 000000000000010e x3 : 0000000000000000\n  x2 : ffffd32b51720cd8 x1 : ffff000087e6f700 x0 : 0000000000000057\n  Call trace:\n   nvidia_smmu_context_fault+0x1c/0x158\n   __free_irq+0x1d4/0x2e8\n   free_irq+0x3c/0x80\n   devm_free_irq+0x64/0xa8\n   arm_smmu_domain_free+0xc4/0x158\n   iommu_domain_free+0x44/0xa0\n   iommu_deinit_device+0xd0/0xf8\n   __iommu_group_remove_device+0xcc/0xe0\n   iommu_bus_notifier+0x64/0xa8\n   notifier_call_chain+0x78/0x148\n   blocking_notifier_call_chain+0x4c/0x90\n   bus_notify+0x44/0x70\n   device_del+0x264/0x3e8\n   pci_remove_bus_device+0x84/0x120\n   pci_remove_root_bus+0x5c/0xc0\n   dw_pcie_host_deinit+0x38/0xe0\n   tegra_pcie_config_rp+0xc0/0x1f0\n   tegra_pcie_dw_probe+0x34c/0x700\n   platform_probe+0x70/0xe8\n   really_probe+0xc8/0x3a0\n   __driver_probe_device+0x84/0x160\n   driver_probe_device+0x44/0x130\n   __device_attach_driver+0xc4/0x170\n   bus_for_each_drv+0x90/0x100\n   __device_attach+0xa8/0x1c8\n   device_initial_probe+0x1c/0x30\n   bus_probe_device+0xb0/0xc0\n   deferred_probe_work_func+0xbc/0x120\n   process_one_work+0x194/0x490\n   worker_thread+0x284/0x3b0\n   kthread+0xf4/0x108\n   ret_from_fork+0x10/0x20\n  Code: a9b97bfd 910003fd a9025bf5 f85a0035 (b94122a1)"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/iommu/arm/arm-smmu/arm-smmu-nvidia.c"
               ],
               "versions": [
                  {
                     "version": "e0976331ad11",
                     "lessThan": "e83de8f05b99",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "e0976331ad11",
                     "lessThan": "65ade5653f5a",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/iommu/arm/arm-smmu/arm-smmu-nvidia.c"
               ],
               "versions": [
                  {
                     "version": "6.8",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.8",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.8.10",
                     "lessThanOrEqual": "6.8.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/e83de8f05b998e227b48cdeea54cba4c9d66d3aa"
            },
            {
               "url": "https://git.kernel.org/stable/c/65ade5653f5ab5a21635e51d0c65e95f490f5b6f"
            }
         ],
         "title": "iommu/arm-smmu: Use the correct type in nvidia_smmu_context_fault()",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-36884",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}