CVE-2026-23464

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23464", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:37:46.021Z", "datePublished": "2026-04-03T15:15:43.137Z", "dateUpdated": "2026-05-11T22:07:29.791Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T22:07:29.791Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsoc: microchip: mpfs: Fix memory leak in mpfs_sys_controller_probe()\n\nIn mpfs_sys_controller_probe(), if of_get_mtd_device_by_node() fails,\nthe function returns immediately without freeing the allocated memory\nfor sys_controller, leading to a memory leak.\n\nFix this by jumping to the out_free label to ensure the memory is\nproperly freed.\n\nAlso, consolidate the error handling for the mbox_request_channel()\nfailure case to use the same label."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/soc/microchip/mpfs-sys-controller.c"], "versions": [{"version": "742aa6c563d29c367edbf0ef7236a7a853ed9be4", "lessThan": "da4b44c42f40501db35f5d0a6243708a061490a0", "status": "affected", "versionType": "git"}, {"version": "742aa6c563d29c367edbf0ef7236a7a853ed9be4", "lessThan": "e3dd5cffba07de6574165a72851471cd42cc6d15", "status": "affected", "versionType": "git"}, {"version": "742aa6c563d29c367edbf0ef7236a7a853ed9be4", "lessThan": "17c84fb7cf3971cc621646185d785670e9530ca1", "status": "affected", "versionType": "git"}, {"version": "742aa6c563d29c367edbf0ef7236a7a853ed9be4", "lessThan": "5a741f8cc6fe62542f955cd8d24933a1b6589cbd", "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/soc/microchip/mpfs-sys-controller.c"], "versions": [{"version": "6.8", "status": "affected"}, {"version": "0", "lessThan": "6.8", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.78", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.20", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.10", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "6.8", "versionEndExcluding": "6.12.78"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.18.20"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.19.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/da4b44c42f40501db35f5d0a6243708a061490a0"}, {"url": "https://git.kernel.org/stable/c/e3dd5cffba07de6574165a72851471cd42cc6d15"}, {"url": "https://git.kernel.org/stable/c/17c84fb7cf3971cc621646185d785670e9530ca1"}, {"url": "https://git.kernel.org/stable/c/5a741f8cc6fe62542f955cd8d24933a1b6589cbd"}], "title": "soc: microchip: mpfs: Fix memory leak in mpfs_sys_controller_probe()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/soc/microchip/mpfs-sys-controller.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "da4b44c42f40501db35f5d0a6243708a061490a0", "status": "affected", "version": "742aa6c563d29c367edbf0ef7236a7a853ed9be4", "versionType": "git"}, {"lessThan": "e3dd5cffba07de6574165a72851471cd42cc6d15", "status": "affected", "version": "742aa6c563d29c367edbf0ef7236a7a853ed9be4", "versionType": "git"}, {"lessThan": "17c84fb7cf3971cc621646185d785670e9530ca1", "status": "affected", "version": "742aa6c563d29c367edbf0ef7236a7a853ed9be4", "versionType": "git"}, {"lessThan": "5a741f8cc6fe62542f955cd8d24933a1b6589cbd", "status": "affected", "version": "742aa6c563d29c367edbf0ef7236a7a853ed9be4", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/soc/microchip/mpfs-sys-controller.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.8"}, {"lessThan": "6.8", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.78", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.20", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "70EDBB86-A33A-44D8-BF14-B806E56D3529", "versionEndExcluding": "6.12.78", "versionStartIncluding": "6.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E5571059-6552-48E7-9BEF-3E358C387171", "versionEndExcluding": "6.18.20", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "96D34333-38BE-4414-9E79-6EB764329581", "versionEndExcluding": "6.19.10", "versionStartIncluding": "6.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "F253B622-8837-4245-BCE5-A7BF8FC76A16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*", "matchCriteriaId": "F666C8D8-6538-46D4-B318-87610DE64C34", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*", "matchCriteriaId": "02259FDA-961B-47BC-AE7F-93D7EC6E90C2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsoc: microchip: mpfs: Fix memory leak in mpfs_sys_controller_probe()\n\nIn mpfs_sys_controller_probe(), if of_get_mtd_device_by_node() fails,\nthe function returns immediately without freeing the allocated memory\nfor sys_controller, leading to a memory leak.\n\nFix this by jumping to the out_free label to ensure the memory is\nproperly freed.\n\nAlso, consolidate the error handling for the mbox_request_channel()\nfailure case to use the same label."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nsoc: microchip: mpfs: Correcci\u00f3n de fuga de memoria en mpfs_sys_controller_probe()\n\nEn mpfs_sys_controller_probe(), si of_get_mtd_device_by_node() falla, la funci\u00f3n retorna inmediatamente sin liberar la memoria asignada para sys_controller, lo que provoca una fuga de memoria.\n\nEsto se soluciona saltando a la etiqueta out_free para asegurar que la memoria se libere correctamente.\n\nAdem\u00e1s, se consolida el manejo de errores para el caso de fallo de mbox_request_channel() para usar la misma etiqueta."}], "id": "CVE-2026-23464", "lastModified": "2026-07-24T22:10:00.140", "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"}]}, "published": "2026-04-03T16:16:33.697", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/17c84fb7cf3971cc621646185d785670e9530ca1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5a741f8cc6fe62542f955cd8d24933a1b6589cbd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/da4b44c42f40501db35f5d0a6243708a061490a0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e3dd5cffba07de6574165a72851471cd42cc6d15"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: soc: microchip: mpfs: Fix memory leak in mpfs_sys_controller_probe()", "id": "2454841", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2454841"}, "csaw": false, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel, specifically within the Microchip PolarFire SoC (System-on-Chip) system controller driver. When the `mpfs_sys_controller_probe()` function fails to initialize a device, it does not properly release allocated memory. This memory leak can accumulate over time, potentially leading to system instability or a denial of service (DoS) condition, where legitimate system operations are disrupted."], "name": "CVE-2026-23464", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-04-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-23464\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-23464\nhttps://lore.kernel.org/linux-cve-announce/2026040320-CVE-2026-23464-840f@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[742aa6c563d29c367edbf0ef7236a7a853ed9be4,da4b44c42f40501db35f5d0a6243708a061490a0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[742aa6c563d29c367edbf0ef7236a7a853ed9be4,e3dd5cffba07de6574165a72851471cd42cc6d15)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[742aa6c563d29c367edbf0ef7236a7a853ed9be4,17c84fb7cf3971cc621646185d785670e9530ca1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[742aa6c563d29c367edbf0ef7236a7a853ed9be4,5a741f8cc6fe62542f955cd8d24933a1b6589cbd)"}}], "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": "generic", "value": "6.8"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.8)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.78,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.20,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.10,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0-rc5,*]"}}], "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": "2026-04-03T21:13:34.627015+00:00", "updated": "2026-05-20T16:30:14.814926+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}