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vuln-cve/data/2026/31xxx/CVE-2026-31485.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-31485",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-03-09T15:48:24.101Z",
"datePublished": "2026-04-22T13:54:10.892Z",
"dateUpdated": "2026-11-10T12:44:33.765Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T22:09:38.585Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: spi-fsl-lpspi: fix teardown order issue (UAF)\n\nThere is a teardown order issue in the driver. The SPI controller is\nregistered using devm_spi_register_controller(), which delays\nunregistration of the SPI controller until after the fsl_lpspi_remove()\nfunction returns.\n\nAs the fsl_lpspi_remove() function synchronously tears down the DMA\nchannels, a running SPI transfer triggers the following NULL pointer\ndereference due to use after free:\n\n| fsl_lpspi 42550000.spi: I/O Error in DMA RX\n| Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n[...]\n| Call trace:\n| fsl_lpspi_dma_transfer+0x260/0x340 [spi_fsl_lpspi]\n| fsl_lpspi_transfer_one+0x198/0x448 [spi_fsl_lpspi]\n| spi_transfer_one_message+0x49c/0x7c8\n| __spi_pump_transfer_message+0x120/0x420\n| __spi_sync+0x2c4/0x520\n| spi_sync+0x34/0x60\n| spidev_message+0x20c/0x378 [spidev]\n| spidev_ioctl+0x398/0x750 [spidev]\n[...]\n\nSwitch from devm_spi_register_controller() to spi_register_controller() in\nfsl_lpspi_probe() and add the corresponding spi_unregister_controller() in\nfsl_lpspi_remove()."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/spi/spi-fsl-lpspi.c"
],
"versions": [
{
"version": "5314987de5e5f5e38436ef4a69328bc472bbd63e",
"lessThan": "fbe6f40caeebb0b1ea9dfedc259124c1d3cda7a6",
"status": "affected",
"versionType": "git"
},
{
"version": "5314987de5e5f5e38436ef4a69328bc472bbd63e",
"lessThan": "ca4483f36ac1b62e69f8b182c5b8f059e0abecfb",
"status": "affected",
"versionType": "git"
},
{
"version": "5314987de5e5f5e38436ef4a69328bc472bbd63e",
"lessThan": "e3fd54f8b0317fbccc103961ddd660f2a32dcf0b",
"status": "affected",
"versionType": "git"
},
{
"version": "5314987de5e5f5e38436ef4a69328bc472bbd63e",
"lessThan": "adb25339b66112393fd6892ceff926765feb5b86",
"status": "affected",
"versionType": "git"
},
{
"version": "5314987de5e5f5e38436ef4a69328bc472bbd63e",
"lessThan": "d5d01f24bc6fbde40b4e567ef9160194b61267bc",
"status": "affected",
"versionType": "git"
},
{
"version": "5314987de5e5f5e38436ef4a69328bc472bbd63e",
"lessThan": "e89e2b97253c124d37bf88e96e5e8ce5c3aeeec3",
"status": "affected",
"versionType": "git"
},
{
"version": "5314987de5e5f5e38436ef4a69328bc472bbd63e",
"lessThan": "15650dfbaeeb14bcaaf053b93cf631db8d465300",
"status": "affected",
"versionType": "git"
},
{
"version": "5314987de5e5f5e38436ef4a69328bc472bbd63e",
"lessThan": "b341c1176f2e001b3adf0b47154fc31589f7410e",
"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/spi/spi-fsl-lpspi.c"
],
"versions": [
{
"version": "4.10",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.10",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.253",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.203",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.168",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.131",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.80",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.21",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.19.11",
"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": "4.10",
"versionEndExcluding": "5.10.253"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.10",
"versionEndExcluding": "5.15.203"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.10",
"versionEndExcluding": "6.1.168"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.10",
"versionEndExcluding": "6.6.131"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.10",
"versionEndExcluding": "6.12.80"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.10",
"versionEndExcluding": "6.18.21"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.10",
"versionEndExcluding": "6.19.11"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.10",
"versionEndExcluding": "7.0"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/fbe6f40caeebb0b1ea9dfedc259124c1d3cda7a6"
},
{
"url": "https://git.kernel.org/stable/c/ca4483f36ac1b62e69f8b182c5b8f059e0abecfb"
},
{
"url": "https://git.kernel.org/stable/c/e3fd54f8b0317fbccc103961ddd660f2a32dcf0b"
},
{
"url": "https://git.kernel.org/stable/c/adb25339b66112393fd6892ceff926765feb5b86"
},
{
"url": "https://git.kernel.org/stable/c/d5d01f24bc6fbde40b4e567ef9160194b61267bc"
},
{
"url": "https://git.kernel.org/stable/c/e89e2b97253c124d37bf88e96e5e8ce5c3aeeec3"
},
{
"url": "https://git.kernel.org/stable/c/15650dfbaeeb14bcaaf053b93cf631db8d465300"
},
{
"url": "https://git.kernel.org/stable/c/b341c1176f2e001b3adf0b47154fc31589f7410e"
}
],
"title": "spi: spi-fsl-lpspi: fix teardown order issue (UAF)",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"x_adpType": "supplier",
"providerMetadata": {
"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"shortName": "siemens-SADP",
"dateUpdated": "2026-11-10T12:44:33.765Z"
},
"affected": [
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)",
"versions": [
{
"status": "affected",
"version": "V3.1.6",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)",
"versions": [
{
"status": "affected",
"version": "V3.1.5",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)",
"versions": [
{
"status": "affected",
"version": "V3.1.7",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)",
"versions": [
{
"status": "affected",
"version": "V3.1.6",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)",
"versions": [
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"status": "affected",
"version": "V3.1.5",
"lessThan": "*",
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}
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{
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"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)",
"versions": [
{
"status": "affected",
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"lessThan": "*",
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],
"defaultStatus": "unknown"
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{
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"version": "V3.1.7",
"lessThan": "*",
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}
],
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}
],
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},
{
"vendor": "Siemens",
"product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)",
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"lessThan": "*",
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],
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},
{
"vendor": "Siemens",
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{
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"lessThan": "*",
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],
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],
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-082556.html"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-457936.html"
}
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},
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-31485",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-05T21:34:50.422620Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-05T21:45:01.444Z"
}
}
]
}
}
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