cvelist/2024/56xxx/CVE-2024-56568.json
2024-12-29 05:01:26 +00:00

146 lines
8.3 KiB
JSON

{
"data_version": "4.0",
"data_type": "CVE",
"data_format": "MITRE",
"CVE_data_meta": {
"ID": "CVE-2024-56568",
"ASSIGNER": "cve@kernel.org",
"STATE": "PUBLIC"
},
"description": {
"description_data": [
{
"lang": "eng",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/arm-smmu: Defer probe of clients after smmu device bound\n\nNull pointer dereference occurs due to a race between smmu\ndriver probe and client driver probe, when of_dma_configure()\nfor client is called after the iommu_device_register() for smmu driver\nprobe has executed but before the driver_bound() for smmu driver\nhas been called.\n\nFollowing is how the race occurs:\n\nT1:Smmu device probe\t\tT2: Client device probe\n\nreally_probe()\narm_smmu_device_probe()\niommu_device_register()\n\t\t\t\t\treally_probe()\n\t\t\t\t\tplatform_dma_configure()\n\t\t\t\t\tof_dma_configure()\n\t\t\t\t\tof_dma_configure_id()\n\t\t\t\t\tof_iommu_configure()\n\t\t\t\t\tiommu_probe_device()\n\t\t\t\t\tiommu_init_device()\n\t\t\t\t\tarm_smmu_probe_device()\n\t\t\t\t\tarm_smmu_get_by_fwnode()\n\t\t\t\t\t\tdriver_find_device_by_fwnode()\n\t\t\t\t\t\tdriver_find_device()\n\t\t\t\t\t\tnext_device()\n\t\t\t\t\t\tklist_next()\n\t\t\t\t\t\t /* null ptr\n\t\t\t\t\t\t assigned to smmu */\n\t\t\t\t\t/* null ptr dereference\n\t\t\t\t\t while smmu->streamid_mask */\ndriver_bound()\n\tklist_add_tail()\n\nWhen this null smmu pointer is dereferenced later in\narm_smmu_probe_device, the device crashes.\n\nFix this by deferring the probe of the client device\nuntil the smmu device has bound to the arm smmu driver.\n\n[will: Add comment]"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"affects": {
"vendor": {
"vendor_data": [
{
"vendor_name": "Linux",
"product": {
"product_data": [
{
"product_name": "Linux",
"version": {
"version_data": [
{
"version_affected": "<",
"version_name": "021bb8420d44cf56102d44fca9af628625e75482",
"version_value": "c2527d07c7e9cda2c6165d5edccf74752baac1b0"
},
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"versions": [
{
"version": "4.9",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.9",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.231",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.174",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.120",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.66",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.4",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.13-rc1",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
],
"defaultStatus": "affected"
}
}
]
}
}
]
}
}
]
}
},
"references": {
"reference_data": [
{
"url": "https://git.kernel.org/stable/c/c2527d07c7e9cda2c6165d5edccf74752baac1b0",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/c2527d07c7e9cda2c6165d5edccf74752baac1b0"
},
{
"url": "https://git.kernel.org/stable/c/dc02407ea952e20c544a078a6be2e6f008327973",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/dc02407ea952e20c544a078a6be2e6f008327973"
},
{
"url": "https://git.kernel.org/stable/c/f8f794f387ad21c4696e5cd0626cb6f8a5f6aea5",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/f8f794f387ad21c4696e5cd0626cb6f8a5f6aea5"
},
{
"url": "https://git.kernel.org/stable/c/4a9485918a042e3114890dfbe19839a1897f8b2c",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/4a9485918a042e3114890dfbe19839a1897f8b2c"
},
{
"url": "https://git.kernel.org/stable/c/5018696b19bc6c021e934a8a59f4b1dd8c0ac9f8",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/5018696b19bc6c021e934a8a59f4b1dd8c0ac9f8"
},
{
"url": "https://git.kernel.org/stable/c/229e6ee43d2a160a1592b83aad620d6027084aad",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/229e6ee43d2a160a1592b83aad620d6027084aad"
}
]
},
"generator": {
"engine": "bippy-5f407fcff5a0"
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}