{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49462", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:08:31.576Z", "datePublished": "2025-02-26T02:13:09.016Z", "dateUpdated": "2025-02-26T02:13:09.016Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-02-26T02:13:09.016Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/a6xx: Fix refcount leak in a6xx_gpu_init\n\nof_parse_phandle() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when not need anymore.\n\na6xx_gmu_init() passes the node to of_find_device_by_node()\nand of_dma_configure(), of_find_device_by_node() will takes its\nreference, of_dma_configure() doesn't need the node after usage.\n\nAdd missing of_node_put() to avoid refcount leak."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/msm/adreno/a6xx_gpu.c"], "versions": [{"version": "4b565ca5a2cbbbb6345e8789da89c193b6b00e5a", "lessThan": "6832e36f156ea35a6ed74bca72727806116effdd", "status": "affected", "versionType": "git"}, {"version": "4b565ca5a2cbbbb6345e8789da89c193b6b00e5a", "lessThan": "48e82ce8cdb19c20a5020fa446b286d6a147450c", "status": "affected", "versionType": "git"}, {"version": "4b565ca5a2cbbbb6345e8789da89c193b6b00e5a", "lessThan": "edff4c1af831d0c02e654eed9da7d74174de49d5", "status": "affected", "versionType": "git"}, {"version": "4b565ca5a2cbbbb6345e8789da89c193b6b00e5a", "lessThan": "65ddbc0d26824e2a5d6154d01d8cf39344900213", "status": "affected", "versionType": "git"}, {"version": "4b565ca5a2cbbbb6345e8789da89c193b6b00e5a", "lessThan": "06907a374f1b74f8f2fb30720dc6df81331e4fb5", "status": "affected", "versionType": "git"}, {"version": "4b565ca5a2cbbbb6345e8789da89c193b6b00e5a", "lessThan": "c56de483093d7ad0782327f95dda7da97bc4c315", "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/gpu/drm/msm/adreno/a6xx_gpu.c"], "versions": [{"version": "4.19", "status": "affected"}, {"version": "0", "lessThan": "4.19", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.198", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.121", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.46", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.14", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.3", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/6832e36f156ea35a6ed74bca72727806116effdd"}, {"url": "https://git.kernel.org/stable/c/48e82ce8cdb19c20a5020fa446b286d6a147450c"}, {"url": "https://git.kernel.org/stable/c/edff4c1af831d0c02e654eed9da7d74174de49d5"}, {"url": "https://git.kernel.org/stable/c/65ddbc0d26824e2a5d6154d01d8cf39344900213"}, {"url": "https://git.kernel.org/stable/c/06907a374f1b74f8f2fb30720dc6df81331e4fb5"}, {"url": "https://git.kernel.org/stable/c/c56de483093d7ad0782327f95dda7da97bc4c315"}], "title": "drm/msm/a6xx: Fix refcount leak in a6xx_gpu_init", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D57ED2A3-D50F-4DED-9126-E63D01D440FC", "versionEndExcluding": "5.4.198", "versionStartIncluding": "4.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "34ACD872-E5BC-401C-93D5-B357A62426E0", "versionEndExcluding": "5.10.121", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "20D41697-0E8B-4B7D-8842-F17BF2AA21E1", "versionEndExcluding": "5.15.46", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "15E2DD33-2255-4B76-9C15-04FF8CBAB252", "versionEndExcluding": "5.17.14", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8E122216-2E9E-4B3E-B7B8-D575A45BA3C2", "versionEndExcluding": "5.18.3", "versionStartIncluding": "5.18", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/a6xx: Fix refcount leak in a6xx_gpu_init\n\nof_parse_phandle() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when not need anymore.\n\na6xx_gmu_init() passes the node to of_find_device_by_node()\nand of_dma_configure(), of_find_device_by_node() will takes its\nreference, of_dma_configure() doesn't need the node after usage.\n\nAdd missing of_node_put() to avoid refcount leak."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/msm/a6xx: Se corrige la p\u00e9rdida de recuento de referencias en a6xx_gpu_init of_parse_phandle() devuelve un puntero de nodo con el recuento de referencias incrementado, deber\u00edamos usar of_node_put() en \u00e9l cuando ya no lo necesitemos. a6xx_gmu_init() pasa el nodo a of_find_device_by_node() y of_dma_configure(), of_find_device_by_node() tomar\u00e1 su referencia, of_dma_configure() no necesita el nodo despu\u00e9s del uso. Agregue of_node_put() faltante para evitar la p\u00e9rdida de recuento de referencias."}], "id": "CVE-2022-49462", "lastModified": "2025-03-17T16:10:17.393", "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": "2025-02-26T07:01:22.517", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/06907a374f1b74f8f2fb30720dc6df81331e4fb5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/48e82ce8cdb19c20a5020fa446b286d6a147450c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/65ddbc0d26824e2a5d6154d01d8cf39344900213"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6832e36f156ea35a6ed74bca72727806116effdd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c56de483093d7ad0782327f95dda7da97bc4c315"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/edff4c1af831d0c02e654eed9da7d74174de49d5"}], "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: drm/msm/a6xx: Fix refcount leak in a6xx_gpu_init", "id": "2347878", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347878"}, "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"}, "cwe": "CWE-401", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/msm/a6xx: Fix refcount leak in a6xx_gpu_init\nof_parse_phandle() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when not need anymore.\na6xx_gmu_init() passes the node to of_find_device_by_node()\nand of_dma_configure(), of_find_device_by_node() will takes its\nreference, of_dma_configure() doesn't need the node after usage.\nAdd missing of_node_put() to avoid refcount leak."], "name": "CVE-2022-49462", "package_state": [{"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": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49462\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49462\nhttps://lore.kernel.org/linux-cve-announce/2025022601-CVE-2022-49462-52fb@gregkh/T"], "threat_severity": "Moderate"}