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vuln-cve/data/2026/64xxx/CVE-2026-64461.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-64461",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-07-19T15:36:31.789Z",
"datePublished": "2026-07-25T08:51:28.309Z",
"dateUpdated": "2026-11-06T16:44:52.835Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-08-17T04:56:06.127Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: mediatek: Fix IRQ domain leak when port fails to enable\n\nWhen mtk_pcie_enable_port() fails, mtk_pcie_port_free() removes the port\nfrom pcie->ports and frees the port structure. However, the IRQ domains set\nup earlier by mtk_pcie_init_irq_domain() are never freed.\n\nFix this by refactoring mtk_pcie_irq_teardown() into a per-port helper,\nmtk_pcie_irq_teardown_port(), and calling it from mtk_pcie_setup() when\nmtk_pcie_enable_port() fails. Since the IRQ teardown must only happen in\nthe probe error path (during resume, child devices may have active MSI\nmappings and the NOIRQ context prohibits sleeping locks),\nmtk_pcie_enable_port() is changed to return an error code so callers can\ndistinguish the two paths and act accordingly.\n\nThis issue was reported by Sashiko while reviewing the EcoNet EN7528 SoC\nsupport series."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/pci/controller/pcie-mediatek.c"
],
"versions": [
{
"version": "b099631df160ec608cd6147f4d20a8042567a5b8",
"lessThan": "e23da72ef202654a7d5269885c4fa39a8404db76",
"status": "affected",
"versionType": "git"
},
{
"version": "b099631df160ec608cd6147f4d20a8042567a5b8",
"lessThan": "ec7c05eed47d8b15c45380aee7ca168a82e15035",
"status": "affected",
"versionType": "git"
},
{
"version": "b099631df160ec608cd6147f4d20a8042567a5b8",
"lessThan": "1fbe8972a39548a633d06d7b03a01b7b119a2c12",
"status": "affected",
"versionType": "git"
},
{
"version": "b099631df160ec608cd6147f4d20a8042567a5b8",
"lessThan": "fe8c701a53c2816cd82301f66c671d952003c1b0",
"status": "affected",
"versionType": "git"
},
{
"version": "b099631df160ec608cd6147f4d20a8042567a5b8",
"lessThan": "ce52e494a7555bdae1d990a2654fd7547ef6d986",
"status": "affected",
"versionType": "git"
},
{
"version": "b099631df160ec608cd6147f4d20a8042567a5b8",
"lessThan": "6e6a529d6f779413379b4404c9ef6a36c0337225",
"status": "affected",
"versionType": "git"
},
{
"version": "b099631df160ec608cd6147f4d20a8042567a5b8",
"lessThan": "df77314b3bedbd9ad5d6f0682f98b99e3c5f7e2e",
"status": "affected",
"versionType": "git"
},
{
"version": "b099631df160ec608cd6147f4d20a8042567a5b8",
"lessThan": "f865a57896bd92d7662eb2818d8f48872e2cbbc7",
"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/pci/controller/pcie-mediatek.c"
],
"versions": [
{
"version": "4.14",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.14",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.261",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.212",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.178",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.145",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.97",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.39",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.1.4",
"lessThanOrEqual": "7.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.2",
"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": "4.14",
"versionEndExcluding": "5.10.261"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.14",
"versionEndExcluding": "5.15.212"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.14",
"versionEndExcluding": "6.1.178"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.14",
"versionEndExcluding": "6.6.145"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.14",
"versionEndExcluding": "6.12.97"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.14",
"versionEndExcluding": "6.18.39"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.14",
"versionEndExcluding": "7.1.4"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.14",
"versionEndExcluding": "7.2"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/e23da72ef202654a7d5269885c4fa39a8404db76"
},
{
"url": "https://git.kernel.org/stable/c/ec7c05eed47d8b15c45380aee7ca168a82e15035"
},
{
"url": "https://git.kernel.org/stable/c/1fbe8972a39548a633d06d7b03a01b7b119a2c12"
},
{
"url": "https://git.kernel.org/stable/c/fe8c701a53c2816cd82301f66c671d952003c1b0"
},
{
"url": "https://git.kernel.org/stable/c/ce52e494a7555bdae1d990a2654fd7547ef6d986"
},
{
"url": "https://git.kernel.org/stable/c/6e6a529d6f779413379b4404c9ef6a36c0337225"
},
{
"url": "https://git.kernel.org/stable/c/df77314b3bedbd9ad5d6f0682f98b99e3c5f7e2e"
},
{
"url": "https://git.kernel.org/stable/c/f865a57896bd92d7662eb2818d8f48872e2cbbc7"
}
],
"title": "PCI: mediatek: Fix IRQ domain leak when port fails to enable",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-64461",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-06T16:39:04.662554Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-06T16:44:52.835Z"
}
}
]
}
}