{"id":"CVE-2026-80974","title":"mfd: sm501: Fix potential memory leaks during remove","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nmfd: sm501: Fix potential memory leaks during remove\n\nThe memory allocated for struct sm501_devdata in sm501_pci_probe() and\nsm501_plat_probe() is not freed by the corr…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-772"],"vendor":"Linux","product":"Linux","affected":["Linux >= b6d6454fdb66f3829af8b92ab06825b6060fdf7e < b78e34ed7e97763d493d95a5c1edefffbfd2f356","Linux >= b6d6454fdb66f3829af8b92ab06825b6060fdf7e < fcc6c3b11d73459e0d55b27c98cc56d59fef4d82","Linux >= b6d6454fdb66f3829af8b92ab06825b6060fdf7e < 94ca4f040ba489db2d4b66e9d1ee91b4f9a00534","Linux >= b6d6454fdb66f3829af8b92ab06825b6060fdf7e < c8be3a076a59ec793fb2e4bdb830a709aaea9cce","Linux >= b6d6454fdb66f3829af8b92ab06825b6060fdf7e < 83feedd9d83c0c5199f98c72df0a6196b4aefb4d","Linux 2.6.21"],"published":"2026-09-11","updated":"2026-10-21","sourceUpdated":"2026-10-21T12:47:19.942Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80974","references":[{"url":"https://git.kernel.org/stable/c/b78e34ed7e97763d493d95a5c1edefffbfd2f356"},{"url":"https://git.kernel.org/stable/c/fcc6c3b11d73459e0d55b27c98cc56d59fef4d82"},{"url":"https://git.kernel.org/stable/c/94ca4f040ba489db2d4b66e9d1ee91b4f9a00534"},{"url":"https://git.kernel.org/stable/c/c8be3a076a59ec793fb2e4bdb830a709aaea9cce"},{"url":"https://git.kernel.org/stable/c/83feedd9d83c0c5199f98c72df0a6196b4aefb4d"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80974.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-80974"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2532469"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80974"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80974"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-80974.mbox"}],"tags":["cve.org","csaf","vex","red-hat"],"epss":0.00206,"epssPercentile":0.1059,"ingestedAt":"2026-09-14T00:35:28.531Z","slug":"CVE-2026-80974","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nmfd: sm501: Fix potential memory leaks during remove\n\nThe memory allocated for struct sm501_devdata in sm501_pci_probe() and\nsm501_plat_probe() is not freed by the corresponding remove functions\nsm501_pci_remove() and sm501_plat_remove(). Fix that by adding a call to\nkfree().\n\n## Affected\n\n- `Linux >= b6d6454fdb66f3829af8b92ab06825b6060fdf7e < b78e34ed7e97763d493d95a5c1edefffbfd2f356`\n- `Linux >= b6d6454fdb66f3829af8b92ab06825b6060fdf7e < fcc6c3b11d73459e0d55b27c98cc56d59fef4d82`\n- `Linux >= b6d6454fdb66f3829af8b92ab06825b6060fdf7e < 94ca4f040ba489db2d4b66e9d1ee91b4f9a00534`\n- `Linux >= b6d6454fdb66f3829af8b92ab06825b6060fdf7e < c8be3a076a59ec793fb2e4bdb830a709aaea9cce`\n- `Linux >= b6d6454fdb66f3829af8b92ab06825b6060fdf7e < 83feedd9d83c0c5199f98c72df0a6196b4aefb4d`\n- `Linux 2.6.21`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, … · updated 2026-09-14 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80974.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":204189,"id":"CVE-2026-80974","ts":1789490238459,"field":"cvss","old":null,"new":"5.5"},{"seq":204188,"id":"CVE-2026-80974","ts":1789490238459,"field":"severity","old":"none","new":"medium"},{"seq":147161,"id":"CVE-2026-80974","ts":1789270197899,"field":"cvss","old":null,"new":"4.4"},{"seq":147160,"id":"CVE-2026-80974","ts":1789270197899,"field":"severity","old":"none","new":"medium"},{"seq":108922,"id":"CVE-2026-80974","ts":1789183729551,"field":"cvss","old":null,"new":"4.4"},{"seq":108921,"id":"CVE-2026-80974","ts":1789183729551,"field":"severity","old":"none","new":"medium"}]}