CVE-2022-50157

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50157", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-06-18T10:57:27.425Z", "datePublished": "2025-06-18T11:03:14.530Z", "dateUpdated": "2026-05-11T19:13:54.613Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:13:54.613Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: microchip: Fix refcount leak in mc_pcie_init_irq_domains()\n\nof_get_next_child() returns a node pointer with refcount incremented, so we\nshould use of_node_put() on it when we don't need it anymore.\n\nmc_pcie_init_irq_domains() only calls of_node_put() in the normal path,\nmissing it in some error paths. Add missing of_node_put() to avoid\nrefcount leak."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/pci/controller/pcie-microchip-host.c"], "versions": [{"version": "6f15a9c9f94133bee0d861a4bf25e10aaa95219d", "lessThan": "c0ad5c7e68d10f6f8ffb0f4329e3c19404fbca58", "status": "affected", "versionType": "git"}, {"version": "6f15a9c9f94133bee0d861a4bf25e10aaa95219d", "lessThan": "6cd5f93b5c6a66c68a91dbc604a78207252ecd43", "status": "affected", "versionType": "git"}, {"version": "6f15a9c9f94133bee0d861a4bf25e10aaa95219d", "lessThan": "880ece912b958a0c92cc0baa8e906fb9b49a4b53", "status": "affected", "versionType": "git"}, {"version": "6f15a9c9f94133bee0d861a4bf25e10aaa95219d", "lessThan": "f030304fdeb87ec8f1b518c73703214aec6cc24a", "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/pci/controller/pcie-microchip-host.c"], "versions": [{"version": "5.12", "status": "affected"}, {"version": "0", "lessThan": "5.12", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.61", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.18", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.2", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0", "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": "5.12", "versionEndExcluding": "5.15.61"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "5.18.18"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "5.19.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "6.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c0ad5c7e68d10f6f8ffb0f4329e3c19404fbca58"}, {"url": "https://git.kernel.org/stable/c/6cd5f93b5c6a66c68a91dbc604a78207252ecd43"}, {"url": "https://git.kernel.org/stable/c/880ece912b958a0c92cc0baa8e906fb9b49a4b53"}, {"url": "https://git.kernel.org/stable/c/f030304fdeb87ec8f1b518c73703214aec6cc24a"}], "title": "PCI: microchip: Fix refcount leak in mc_pcie_init_irq_domains()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/pci/controller/pcie-microchip-host.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "c0ad5c7e68d10f6f8ffb0f4329e3c19404fbca58", "status": "affected", "version": "6f15a9c9f94133bee0d861a4bf25e10aaa95219d", "versionType": "git"}, {"lessThan": "6cd5f93b5c6a66c68a91dbc604a78207252ecd43", "status": "affected", "version": "6f15a9c9f94133bee0d861a4bf25e10aaa95219d", "versionType": "git"}, {"lessThan": "880ece912b958a0c92cc0baa8e906fb9b49a4b53", "status": "affected", "version": "6f15a9c9f94133bee0d861a4bf25e10aaa95219d", "versionType": "git"}, {"lessThan": "f030304fdeb87ec8f1b518c73703214aec6cc24a", "status": "affected", "version": "6f15a9c9f94133bee0d861a4bf25e10aaa95219d", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/pci/controller/pcie-microchip-host.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.12"}, {"lessThan": "5.12", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.61", "versionType": "semver"}, {"lessThanOrEqual": "5.18.*", "status": "unaffected", "version": "5.18.18", "versionType": "semver"}, {"lessThanOrEqual": "5.19.*", "status": "unaffected", "version": "5.19.2", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "23E86361-3C85-4727-87EC-1E6ACE028490", "versionEndExcluding": "5.15.61", "versionStartIncluding": "5.12", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "5B42E453-8837-49D0-A5EF-03F818A6DC11", "versionEndExcluding": "5.18.18", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A1A2A5A5-4598-4D7E-BA07-4660398D6C8F", "versionEndExcluding": "5.19.2", "versionStartIncluding": "5.19", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: microchip: Fix refcount leak in mc_pcie_init_irq_domains()\n\nof_get_next_child() returns a node pointer with refcount incremented, so we\nshould use of_node_put() on it when we don't need it anymore.\n\nmc_pcie_init_irq_domains() only calls of_node_put() in the normal path,\nmissing it in some error paths. Add missing of_node_put() to avoid\nrefcount leak."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: PCI: microchip: Se corrige la fuga de recuento de referencias en mc_pcie_init_irq_domains(). of_get_next_child() devuelve un puntero de nodo con el recuento de referencias incrementado, por lo que debemos usar of_node_put() cuando ya no lo necesitemos. mc_pcie_init_irq_domains() solo llama a of_node_put() en la ruta normal, y no lo detecta en algunas rutas con errores. Se a\u00f1ade la falta de of_node_put() para evitar la fuga de recuento de referencias."}], "id": "CVE-2022-50157", "lastModified": "2026-06-17T05:22:52.523", "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": "2025-06-18T11:15:45.863", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6cd5f93b5c6a66c68a91dbc604a78207252ecd43"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/880ece912b958a0c92cc0baa8e906fb9b49a4b53"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c0ad5c7e68d10f6f8ffb0f4329e3c19404fbca58"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f030304fdeb87ec8f1b518c73703214aec6cc24a"}], "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: PCI: microchip: Fix refcount leak in mc_pcie_init_irq_domains()", "id": "2373668", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373668"}, "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": ["In the Linux kernel, the following vulnerability has been resolved:\nPCI: microchip: Fix refcount leak in mc_pcie_init_irq_domains()\nof_get_next_child() returns a node pointer with refcount incremented, so we\nshould use of_node_put() on it when we don't need it anymore.\nmc_pcie_init_irq_domains() only calls of_node_put() in the normal path,\nmissing it in some error paths. Add missing of_node_put() to avoid\nrefcount leak."], "name": "CVE-2022-50157", "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": "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": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50157\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50157\nhttps://lore.kernel.org/linux-cve-announce/2025061824-CVE-2022-50157-14c2@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-06-23T08:45:29.575319+00:00", "updated": "2025-06-23T08:45:29.575371+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel", "microchip", "microchip$PRODUCT$microchip"]}