{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72240", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.914Z", "datePublished": "2026-08-15T05:54:28.905Z", "dateUpdated": "2026-08-17T05:10:58.219Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:10:58.219Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/mfd/sm501.c"], "versions": [{"version": "b6d6454fdb66f3829af8b92ab06825b6060fdf7e", "lessThan": "bbb1ecaed4ed7680e63d3a0f143f03de32de5d6e", "status": "affected", "versionType": "git"}, {"version": "b6d6454fdb66f3829af8b92ab06825b6060fdf7e", "lessThan": "e2dac91380a10e9e8d5883fb73ce9d9b390a629c", "status": "affected", "versionType": "git"}, {"version": "b6d6454fdb66f3829af8b92ab06825b6060fdf7e", "lessThan": 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"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": "2.6.21", "versionEndExcluding": "5.10.261"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.21", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.21", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.21", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.21", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": 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"https://git.kernel.org/stable/c/2ff8156fd500d54c61430b6834137fd0a07047ce"}, {"url": "https://git.kernel.org/stable/c/8c2f0b42fc252e1bf1c7746447091a468e784ca1"}], "title": "mfd: sm501: Fix reference leak on failed device registration", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"bugzilla": {"description": "kernel: mfd: sm501: Fix reference leak on failed device registration", "id": "2516618", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516618"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel's sm501 driver. When a device registration fails, the system does not properly release a device reference. This oversight can lead to a resource leak, potentially causing system instability or a Denial of Service (DoS) over time."], "name": "CVE-2026-72240", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72240\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72240\nhttps://lore.kernel.org/linux-cve-announce/2026081551-CVE-2026-72240-d986@gregkh/T"], "threat_severity": "Low"}

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