{"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": "2025-05-04T08:38:15.805Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:38:15.805Z"}, "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"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.4.198"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.10.121"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.15.46"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.17.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.18.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.19"}]}]}], "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-1.2.0"}}}}

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{"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"}