CVE-2026-72240
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: mfd: sm501: Fix reference leak on failed device registration When platform_device_register() fails in sm501_register_device(), the embedded struct device in pdev has already been initialized by device_initialize(), but the failure path only reports the error and returns without dropping the device reference for the current platform device: sm501_register_device() -> platform_device_register(pdev) -> device_initialize(&pdev->dev) -> setup_pdev_dma_masks(pdev) -> platform_device_add(pdev) This leads to a reference leak when platform_device_register() fails. Fix this by calling platform_device_put() before returning the error. The issue was identified by a static analysis tool I developed and confirmed by manual review.
Severity
Not scored
CVSS score
Not available
Vulnerability status
Received
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2026-08-15 06:21:51.063000
Last modified
2026-11-06 17:19:40.943000
View original CVE JSON
{
"id": "CVE-2026-72240",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2026-08-15T06:21:51.063",
"lastModified": "2026-11-06T17:19:40.943",
"vulnStatus": "Received",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmfd: sm501: Fix reference leak on failed device registration\n\nWhen platform_device_register() fails in sm501_register_device(), the\nembedded struct device in pdev has already been initialized by\ndevice_initialize(), but the failure path only reports the error and\nreturns without dropping the device reference for the current platform\ndevice:\n\n sm501_register_device()\n -> platform_device_register(pdev)\n -> device_initialize(&pdev->dev)\n -> setup_pdev_dma_masks(pdev)\n -> platform_device_add(pdev)\n\nThis leads to a reference leak when platform_device_register() fails.\nFix this by calling platform_device_put() before returning the error.\n\nThe issue was identified by a static analysis tool I developed and\nconfirmed by manual review."
}
],
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"affectedData": [
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"defaultStatus": "unaffected",
"programFiles": [
"drivers/mfd/sm501.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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{
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{
"version": "5.15.212",
"lessThanOrEqual": "5.15.*",
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"status": "unaffected"
},
{
"version": "6.1.178",
"lessThanOrEqual": "6.1.*",
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"status": "unaffected"
},
{
"version": "6.6.145",
"lessThanOrEqual": "6.6.*",
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},
{
"version": "6.12.97",
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{
"version": "6.18.40",
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},
{
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{
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"lessThanOrEqual": "*",
"versionType": "original_commit_for_fix",
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}
]
}
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"metrics": {
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{
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"ssvcData": {
"timestamp": "2026-11-06T16:53:18.473739Z",
"id": "CVE-2026-72240",
"options": [
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