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vuln-cve/data/2026/98xxx/CVE-2026-98665.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-98665",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-09-25T10:25:14.363Z",
"datePublished": "2026-10-18T15:44:35.323Z",
"dateUpdated": "2026-10-21T12:55:30.413Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-21T12:55:30.413Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: health: max30102: fix NULL dereference in interrupt handler\n\nThe interrupt is requested in max30102_probe() and stays enabled\nfor the lifetime of the device, but indio_dev->active_scan_mask is only\nvalid while a buffer is enabled. When an interrupt arrives while no\nbuffer is enabled, the handler dereferences the NULL active_scan_mask:\n\n Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n Call trace:\n __bitmap_weight+0x64/0x98 (P)\n max30102_interrupt_handler+0x48/0x160 [max30102]\n\nCall max30102_fifo_count() at the top of the handler and return early\nunless it reports a FIFO sample is ready. Because FIFO_RDY is the only\ninterrupt source enabled in max30102_chip_init(), an invocation of\nmax30102_interrupt_handler() without the FIFO_RDY interrupt status bit\nset carries no data to read and can return before touching\nactive_scan_mask. A negative return from max30102_fifo_count()\nindicates a failed interrupt status read and is treated the same way."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/iio/health/max30102.c"
],
"versions": [
{
"version": "90579b69e94bf11ea0745ff003e82a6ce9725f96",
"lessThan": "2a74f30a7bb305cdc5c3e3e9239b32bb84f3529f",
"status": "affected",
"versionType": "git"
},
{
"version": "90579b69e94bf11ea0745ff003e82a6ce9725f96",
"lessThan": "eeb23ba97bd8016e815ef70300b8d34a0a316b90",
"status": "affected",
"versionType": "git"
},
{
"version": "90579b69e94bf11ea0745ff003e82a6ce9725f96",
"lessThan": "60699102827fdb51f9591414165359c8e867f302",
"status": "affected",
"versionType": "git"
},
{
"version": "90579b69e94bf11ea0745ff003e82a6ce9725f96",
"lessThan": "8d6f98972fe2bd6f73f39d982af0c85d766a1503",
"status": "affected",
"versionType": "git"
},
{
"version": "90579b69e94bf11ea0745ff003e82a6ce9725f96",
"lessThan": "f0ea4824deebf21dacfbe397c4b0a5fd3e745a8d",
"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/iio/health/max30102.c"
],
"versions": [
{
"version": "4.16",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.16",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.160",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.113",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.56",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.2.10",
"lessThanOrEqual": "7.2.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.3",
"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": "4.16",
"versionEndExcluding": "6.6.160"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.16",
"versionEndExcluding": "6.12.113"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.16",
"versionEndExcluding": "6.18.56"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.16",
"versionEndExcluding": "7.2.10"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.16",
"versionEndExcluding": "7.3"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/2a74f30a7bb305cdc5c3e3e9239b32bb84f3529f"
},
{
"url": "https://git.kernel.org/stable/c/eeb23ba97bd8016e815ef70300b8d34a0a316b90"
},
{
"url": "https://git.kernel.org/stable/c/60699102827fdb51f9591414165359c8e867f302"
},
{
"url": "https://git.kernel.org/stable/c/8d6f98972fe2bd6f73f39d982af0c85d766a1503"
},
{
"url": "https://git.kernel.org/stable/c/f0ea4824deebf21dacfbe397c4b0a5fd3e745a8d"
}
],
"title": "iio: health: max30102: fix NULL dereference in interrupt handler",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}