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vuln-cve/data/2026/43xxx/CVE-2026-43130.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-43130",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-05-01T14:12:55.988Z",
"datePublished": "2026-05-06T11:27:18.825Z",
"dateUpdated": "2026-11-06T15:32:32.416Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-23T16:06:22.409Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/vt-d: Flush dev-IOTLB only when PCIe device is accessible in scalable mode\n\nCommit 4fc82cd907ac (\"iommu/vt-d: Don't issue ATS Invalidation\nrequest when device is disconnected\") relies on\npci_dev_is_disconnected() to skip ATS invalidation for\nsafely-removed devices, but it does not cover link-down caused\nby faults, which can still hard-lock the system.\n\nFor example, if a VM fails to connect to the PCIe device,\n\"virsh destroy\" is executed to release resources and isolate\nthe fault, but a hard-lockup occurs while releasing the group fd.\n\nCall Trace:\n qi_submit_sync\n qi_flush_dev_iotlb\n intel_pasid_tear_down_entry\n device_block_translation\n blocking_domain_attach_dev\n __iommu_attach_device\n __iommu_device_set_domain\n __iommu_group_set_domain_internal\n iommu_detach_group\n vfio_iommu_type1_detach_group\n vfio_group_detach_container\n vfio_group_fops_release\n __fput\n\nAlthough pci_device_is_present() is slower than\npci_dev_is_disconnected(), it still takes only ~70 µs on a\nConnectX-5 (8 GT/s, x2) and becomes even faster as PCIe speed\nand width increase.\n\nBesides, devtlb_invalidation_with_pasid() is called only in the\npaths below, which are far less frequent than memory map/unmap.\n\n1. mm-struct release\n2. {attach,release}_dev\n3. set/remove PASID\n4. dirty-tracking setup\n\nThe gain in system stability far outweighs the negligible cost\nof using pci_device_is_present() instead of pci_dev_is_disconnected()\nto decide when to skip ATS invalidation, especially under GDR\nhigh-load conditions."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/iommu/intel/pasid.c"
],
"versions": [
{
"version": "f873b85ec762c5a6abe94a7ddb31df5d3ba07d85",
"lessThan": "581ce094d9eafb78ec4f9de77bd24b780c151236",
"status": "affected",
"versionType": "git"
},
{
"version": "d70f1c85113cd8c2aa8373f491ca5d1b22ec0554",
"lessThan": "e2c78c69f8faf2885ea4ceee08c71ac738f401a0",
"status": "affected",
"versionType": "git"
},
{
"version": "34a7b30f56d30114bf4d436e4dc793afe326fbcf",
"lessThan": "ead67d0378e90f419e385a43af29435242d80c12",
"status": "affected",
"versionType": "git"
},
{
"version": "2b74b2a92e524d7c8dec8e02e95ecf18b667c062",
"lessThan": "01aed2f1d7cb8fdf4c60c5bb4727608cb82b401d",
"status": "affected",
"versionType": "git"
},
{
"version": "4fc82cd907ac075648789cc3a00877778aa1838b",
"lessThan": "9813306610d0d718c863aaa70928bf57d7570ec0",
"status": "affected",
"versionType": "git"
},
{
"version": "4fc82cd907ac075648789cc3a00877778aa1838b",
"lessThan": "9deaacc8dcaddb6ddc5b52e1e63b457450ec0f94",
"status": "affected",
"versionType": "git"
},
{
"version": "4fc82cd907ac075648789cc3a00877778aa1838b",
"lessThan": "0da6697e577023d8867c7beb2d16a22510e4eea9",
"status": "affected",
"versionType": "git"
},
{
"version": "4fc82cd907ac075648789cc3a00877778aa1838b",
"lessThan": "10e60d87813989e20eac1f3eda30b3bae461e7f9",
"status": "affected",
"versionType": "git"
},
{
"version": "c04f2780919f20e2cc4846764221f5e802555868",
"status": "affected",
"versionType": "git"
},
{
"version": "025bc6b41e020aeb1e71f84ae3ffce945026de05",
"status": "affected",
"versionType": "git"
},
{
"version": "5.10.214",
"lessThan": "5.10.252",
"status": "affected",
"versionType": "semver"
},
{
"version": "5.15.153",
"lessThan": "5.15.202",
"status": "affected",
"versionType": "semver"
},
{
"version": "6.1.83",
"lessThan": "6.1.165",
"status": "affected",
"versionType": "semver"
},
{
"version": "6.6.23",
"lessThan": "6.6.128",
"status": "affected",
"versionType": "semver"
},
{
"version": "6.7.11",
"lessThan": "6.8",
"status": "affected",
"versionType": "semver"
},
{
"version": "6.8.2",
"lessThan": "6.9",
"status": "affected",
"versionType": "semver"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/iommu/intel/pasid.c"
],
"versions": [
{
"version": "6.9",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.9",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.252",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.202",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.165",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.128",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.75",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.16",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.19.6",
"lessThanOrEqual": "6.19.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.0",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.10.214",
"versionEndExcluding": "5.10.252"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.15.153",
"versionEndExcluding": "5.15.202"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.1.83",
"versionEndExcluding": "6.1.165"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.6.23",
"versionEndExcluding": "6.6.128"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.9",
"versionEndExcluding": "6.12.75"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.9",
"versionEndExcluding": "6.18.16"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.9",
"versionEndExcluding": "6.19.6"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.9",
"versionEndExcluding": "7.0"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.7.11"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.8.2"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/581ce094d9eafb78ec4f9de77bd24b780c151236"
},
{
"url": "https://git.kernel.org/stable/c/e2c78c69f8faf2885ea4ceee08c71ac738f401a0"
},
{
"url": "https://git.kernel.org/stable/c/ead67d0378e90f419e385a43af29435242d80c12"
},
{
"url": "https://git.kernel.org/stable/c/01aed2f1d7cb8fdf4c60c5bb4727608cb82b401d"
},
{
"url": "https://git.kernel.org/stable/c/9813306610d0d718c863aaa70928bf57d7570ec0"
},
{
"url": "https://git.kernel.org/stable/c/9deaacc8dcaddb6ddc5b52e1e63b457450ec0f94"
},
{
"url": "https://git.kernel.org/stable/c/0da6697e577023d8867c7beb2d16a22510e4eea9"
},
{
"url": "https://git.kernel.org/stable/c/10e60d87813989e20eac1f3eda30b3bae461e7f9"
}
],
"title": "iommu/vt-d: Flush dev-IOTLB only when PCIe device is accessible in scalable mode",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-43130",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-06T15:29:00.364045Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-06T15:32:32.416Z"
}
}
]
}
}
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