CVE-2026-80974

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80974", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.810Z", "datePublished": "2026-09-11T19:42:36.399Z", "dateUpdated": "2026-10-30T12:31:32.012Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:31:32.012Z"}, "descriptions": [{"lang": "en", "value": "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 corresponding remove functions\nsm501_pci_remove() and sm501_plat_remove(). Fix that by adding a call to\nkfree()."}], "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": "0eae998ca448029fb61a6bb9fd7b1f9d05a9490d", "status": "affected", "versionType": "git"}, {"version": "b6d6454fdb66f3829af8b92ab06825b6060fdf7e", "lessThan": "b78e34ed7e97763d493d95a5c1edefffbfd2f356", "status": "affected", "versionType": "git"}, {"version": "b6d6454fdb66f3829af8b92ab06825b6060fdf7e", "lessThan": "fcc6c3b11d73459e0d55b27c98cc56d59fef4d82", "status": "affected", "versionType": "git"}, {"version": "b6d6454fdb66f3829af8b92ab06825b6060fdf7e", "lessThan": "94ca4f040ba489db2d4b66e9d1ee91b4f9a00534", "status": "affected", "versionType": "git"}, {"version": "b6d6454fdb66f3829af8b92ab06825b6060fdf7e", "lessThan": "c8be3a076a59ec793fb2e4bdb830a709aaea9cce", "status": "affected", "versionType": "git"}, {"version": "b6d6454fdb66f3829af8b92ab06825b6060fdf7e", "lessThan": "83feedd9d83c0c5199f98c72df0a6196b4aefb4d", "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/mfd/sm501.c"], "versions": [{"version": "2.6.21", "status": "affected"}, {"version": "0", "lessThan": "2.6.21", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.109", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.50", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.4", "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": "2.6.21", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.21", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.21", "versionEndExcluding": "6.12.109"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.21", "versionEndExcluding": "6.18.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.21", "versionEndExcluding": "7.2.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.21", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0eae998ca448029fb61a6bb9fd7b1f9d05a9490d"}, {"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"}], "title": "mfd: sm501: Fix potential memory leaks during remove", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/mfd/sm501.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "0eae998ca448029fb61a6bb9fd7b1f9d05a9490d", "status": "affected", "version": "b6d6454fdb66f3829af8b92ab06825b6060fdf7e", "versionType": "git"}, {"lessThan": "b78e34ed7e97763d493d95a5c1edefffbfd2f356", "status": "affected", "version": "b6d6454fdb66f3829af8b92ab06825b6060fdf7e", "versionType": "git"}, {"lessThan": "fcc6c3b11d73459e0d55b27c98cc56d59fef4d82", "status": "affected", "version": "b6d6454fdb66f3829af8b92ab06825b6060fdf7e", "versionType": "git"}, {"lessThan": "94ca4f040ba489db2d4b66e9d1ee91b4f9a00534", "status": "affected", "version": "b6d6454fdb66f3829af8b92ab06825b6060fdf7e", "versionType": "git"}, {"lessThan": "c8be3a076a59ec793fb2e4bdb830a709aaea9cce", "status": "affected", "version": "b6d6454fdb66f3829af8b92ab06825b6060fdf7e", "versionType": "git"}, {"lessThan": "83feedd9d83c0c5199f98c72df0a6196b4aefb4d", "status": "affected", "version": "b6d6454fdb66f3829af8b92ab06825b6060fdf7e", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/mfd/sm501.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.21"}, {"lessThan": "2.6.21", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.109", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.50", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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 corresponding remove functions\nsm501_pci_remove() and sm501_plat_remove(). Fix that by adding a call to\nkfree()."}], "id": "CVE-2026-80974", "lastModified": "2026-10-30T13:20:14.593", "metrics": {}, "published": "2026-09-11T20:19:03.623", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0eae998ca448029fb61a6bb9fd7b1f9d05a9490d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/83feedd9d83c0c5199f98c72df0a6196b4aefb4d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/94ca4f040ba489db2d4b66e9d1ee91b4f9a00534"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b78e34ed7e97763d493d95a5c1edefffbfd2f356"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c8be3a076a59ec793fb2e4bdb830a709aaea9cce"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fcc6c3b11d73459e0d55b27c98cc56d59fef4d82"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel: mfd: sm501: Memory leak leading to denial of service", "id": "2532469", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532469"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-772", "details": ["A flaw was found in the `mfd: sm501` component of the Linux kernel. This vulnerability arises from a failure to properly free allocated memory for `struct sm501_devdata` during the device removal process. A local attacker could potentially exploit this memory leak, which may lead to a denial of service (DoS) due to resource exhaustion."], "name": "CVE-2026-80974", "public_date": "2026-09-11T19:42:36Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80974\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80974\nhttps://git.kernel.org/stable/c/83feedd9d83c0c5199f98c72df0a6196b4aefb4d\nhttps://git.kernel.org/stable/c/94ca4f040ba489db2d4b66e9d1ee91b4f9a00534\nhttps://git.kernel.org/stable/c/c8be3a076a59ec793fb2e4bdb830a709aaea9cce\nhttps://git.kernel.org/stable/c/fcc6c3b11d73459e0d55b27c98cc56d59fef4d82"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b6d6454fdb66f3829af8b92ab06825b6060fdf7e,fcc6c3b11d73459e0d55b27c98cc56d59fef4d82)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b6d6454fdb66f3829af8b92ab06825b6060fdf7e,94ca4f040ba489db2d4b66e9d1ee91b4f9a00534)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b6d6454fdb66f3829af8b92ab06825b6060fdf7e,c8be3a076a59ec793fb2e4bdb830a709aaea9cce)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b6d6454fdb66f3829af8b92ab06825b6060fdf7e,83feedd9d83c0c5199f98c72df0a6196b4aefb4d)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.6.21"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.21)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.109,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.50,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.4,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-13T12:00:04.611347+00:00", "updated": "2026-09-21T02:30:08.199675+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}