CVE-2026-72240None▾ SunlitIn 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 a…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
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.
Linux >= b6d6454fdb66f3829af8b92ab06825b6060fdf7e < bbb1ecaed4ed7680e63d3a0f143f03de32de5d6eLinux >= b6d6454fdb66f3829af8b92ab06825b6060fdf7e < e2dac91380a10e9e8d5883fb73ce9d9b390a629cLinux >= b6d6454fdb66f3829af8b92ab06825b6060fdf7e < 0baf9d43a7b7b43df2900bd8656e75b725028b6eLinux >= b6d6454fdb66f3829af8b92ab06825b6060fdf7e < a3e340d506c1036a747fb0972aebf1063f7ef30eLinux >= b6d6454fdb66f3829af8b92ab06825b6060fdf7e < 760a1029692f1d788dc11aa636a3bf432e58b240Linux >= b6d6454fdb66f3829af8b92ab06825b6060fdf7e < 16a42c88c4667fa0bd944e438a667e059551f1f1Linux >= b6d6454fdb66f3829af8b92ab06825b6060fdf7e < 2ff8156fd500d54c61430b6834137fd0a07047ceLinux >= b6d6454fdb66f3829af8b92ab06825b6060fdf7e < 8c2f0b42fc252e1bf1c7746447091a468e784ca1Linux 2.6.21Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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