CVE-2026-64301

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On the error path where\nprocess_scmi_regulator_of_node() fails, the function returns without\ncalling of_node_put() on the child node, leaking the reference.\n\nAdd of_node_put(np) on the error path to properly release the\nreference."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/regulator/scmi-regulator.c"], "versions": [{"version": "0fbeae70ee7ce98e18a47337cd1f205dd88589e9", "lessThan": "1e446e8f8c763be3de7d0362e024cdf46194ffef", "status": "affected", "versionType": "git"}, {"version": "0fbeae70ee7ce98e18a47337cd1f205dd88589e9", "lessThan": "637c11e3d8d43a7ee654591cda8d17c55a9234fa", "status": "affected", "versionType": "git"}, {"version": "0fbeae70ee7ce98e18a47337cd1f205dd88589e9", "lessThan": "e2baf8ea13fb4b10bec2c4751aea05c00dabcd0f", "status": "affected", "versionType": "git"}, {"version": "0fbeae70ee7ce98e18a47337cd1f205dd88589e9", "lessThan": "3e1441a4d06d35a314961e40057bd1f0106bbc14", "status": "affected", "versionType": "git"}, {"version": "0fbeae70ee7ce98e18a47337cd1f205dd88589e9", "lessThan": "22cb337370e6539b0418832c6040e9b00c1b74ca", "status": "affected", "versionType": "git"}, {"version": "0fbeae70ee7ce98e18a47337cd1f205dd88589e9", "lessThan": "a935b64548fcfe1d5b4dbdd31dddfb0d7019367f", "status": "affected", "versionType": "git"}, {"version": "0fbeae70ee7ce98e18a47337cd1f205dd88589e9", "lessThan": "fa11039d6cdff84584a3ef8cc1f5e1b56e045da2", "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/regulator/scmi-regulator.c"], "versions": [{"version": "5.11", "status": "affected"}, {"version": "0", "lessThan": "5.11", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.212", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.96", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.39", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.4", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "5.11", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.12.96"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.18.39"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "7.1.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/1e446e8f8c763be3de7d0362e024cdf46194ffef"}, {"url": "https://git.kernel.org/stable/c/637c11e3d8d43a7ee654591cda8d17c55a9234fa"}, {"url": "https://git.kernel.org/stable/c/e2baf8ea13fb4b10bec2c4751aea05c00dabcd0f"}, {"url": "https://git.kernel.org/stable/c/3e1441a4d06d35a314961e40057bd1f0106bbc14"}, {"url": "https://git.kernel.org/stable/c/22cb337370e6539b0418832c6040e9b00c1b74ca"}, {"url": "https://git.kernel.org/stable/c/a935b64548fcfe1d5b4dbdd31dddfb0d7019367f"}, {"url": "https://git.kernel.org/stable/c/fa11039d6cdff84584a3ef8cc1f5e1b56e045da2"}], "title": "regulator: scmi: fix of_node refcount leak in scmi_regulator_probe()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-64301", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-06T16:34:18.456383Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-06T16:44:43.568Z"}}]}}

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On the error path where\nprocess_scmi_regulator_of_node() fails, the function returns without\ncalling of_node_put() on the child node, leaking the reference.\n\nAdd of_node_put(np) on the error path to properly release the\nreference."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.212", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.178", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.145", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.96", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.39", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1.4", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.2", "versionStartIncluding": "5.11"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T04:52:59.288Z"}}}, "cveMetadata": {"cveId": "CVE-2026-64301", "state": "PUBLISHED", "dateUpdated": "2026-11-06T16:44:43.568Z", "dateReserved": "2026-07-19T15:36:31.778Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-07-25T08:49:36.999Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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On the error path where\nprocess_scmi_regulator_of_node() fails, the function returns without\ncalling of_node_put() on the child node, leaking the reference.\n\nAdd of_node_put(np) on the error path to properly release the\nreference."}], "id": "CVE-2026-64301", "lastModified": "2026-11-06T17:18:46.350", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-64301", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-06T16:34:18.456383Z", "version": "2.0.3"}}]}, "published": "2026-07-25T10:17:11.043", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1e446e8f8c763be3de7d0362e024cdf46194ffef"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/22cb337370e6539b0418832c6040e9b00c1b74ca"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3e1441a4d06d35a314961e40057bd1f0106bbc14"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/637c11e3d8d43a7ee654591cda8d17c55a9234fa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a935b64548fcfe1d5b4dbdd31dddfb0d7019367f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e2baf8ea13fb4b10bec2c4751aea05c00dabcd0f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fa11039d6cdff84584a3ef8cc1f5e1b56e045da2"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: regulator: scmi: fix of_node refcount leak in scmi_regulator_probe()", "id": "2507138", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507138"}, "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"}, "details": ["A flaw was found in the Linux kernel's regulator subsystem. An issue in the `scmi_regulator_probe()` function can lead to a reference count leak. This occurs when an error path is triggered during device node processing, causing a resource to not be properly released. Over time, this unreleased resource could potentially impact system stability or performance."], "name": "CVE-2026-64301", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "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": "2026-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64301\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64301\nhttps://lore.kernel.org/linux-cve-announce/2026072506-CVE-2026-64301-65bc@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0fbeae70ee7ce98e18a47337cd1f205dd88589e9,1e446e8f8c763be3de7d0362e024cdf46194ffef)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0fbeae70ee7ce98e18a47337cd1f205dd88589e9,637c11e3d8d43a7ee654591cda8d17c55a9234fa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0fbeae70ee7ce98e18a47337cd1f205dd88589e9,e2baf8ea13fb4b10bec2c4751aea05c00dabcd0f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0fbeae70ee7ce98e18a47337cd1f205dd88589e9,3e1441a4d06d35a314961e40057bd1f0106bbc14)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0fbeae70ee7ce98e18a47337cd1f205dd88589e9,22cb337370e6539b0418832c6040e9b00c1b74ca)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0fbeae70ee7ce98e18a47337cd1f205dd88589e9,a935b64548fcfe1d5b4dbdd31dddfb0d7019367f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0fbeae70ee7ce98e18a47337cd1f205dd88589e9,fa11039d6cdff84584a3ef8cc1f5e1b56e045da2)"}}], "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": "5.11"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.11)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.212,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.178,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.145,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.96,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.39,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.4,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "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": "2026-07-25T18:45:02.374041+00:00", "updated": "2026-09-03T22:30:10.895492+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}