CVE-2022-50474

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Call put_device() to\ngive up the reference that's taken in device_initialize(), so that it\ncan be freed in kobject_cleanup() when the refcount hits 0.\n\nmacio device is freed in macio_release_dev(), so the kfree() can be\nremoved."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/macintosh/macio_asic.c"], "versions": [{"version": "1fa5ae857bb14f6046205171d98506d8112dd74e", "lessThan": "3a866ff6fc2232c8e393cdb55ffb8ce947349e03", "status": "affected", "versionType": "git"}, {"version": "1fa5ae857bb14f6046205171d98506d8112dd74e", "lessThan": "aa9054267366ff0a382d403d17728e21951ddbb9", "status": "affected", "versionType": "git"}, {"version": "1fa5ae857bb14f6046205171d98506d8112dd74e", "lessThan": "35858b87a943917fa30172aa4bf01ce7adbcb42c", "status": "affected", "versionType": "git"}, {"version": "1fa5ae857bb14f6046205171d98506d8112dd74e", 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"https://git.kernel.org/stable/c/2ac0a7059b7bcbed35bfffa34a82c9a9e99638ef"}, {"url": "https://git.kernel.org/stable/c/19ded60b40e86b0903c8d5bd0161437ed5107a8b"}, {"url": "https://git.kernel.org/stable/c/ca765257feb89dacf604ced9cd233db5f865dee0"}, {"url": "https://git.kernel.org/stable/c/76837e7f6b30da72ad59f56291e22804a219e015"}, {"url": "https://git.kernel.org/stable/c/5ca86eae55a2f006e6c1edd2029b2cacb6979515"}], "title": "macintosh: fix possible memory leak in macio_add_one_device()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

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macio_add_one_device()\n\nAfer commit 1fa5ae857bb1 (\"driver core: get rid of struct device's\nbus_id string array\"), the name of device is allocated dynamically. It\nneeds to be freed when of_device_register() fails. Call put_device() to\ngive up the reference that's taken in device_initialize(), so that it\ncan be freed in kobject_cleanup() when the refcount hits 0.\n\nmacio device is freed in macio_release_dev(), so the kfree() can be\nremoved."}], "id": "CVE-2022-50474", "lastModified": "2026-06-17T05:23:37.590", "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": "2025-10-04T16:15:43.910", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/19ded60b40e86b0903c8d5bd0161437ed5107a8b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2ac0a7059b7bcbed35bfffa34a82c9a9e99638ef"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/35858b87a943917fa30172aa4bf01ce7adbcb42c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3a866ff6fc2232c8e393cdb55ffb8ce947349e03"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5ca86eae55a2f006e6c1edd2029b2cacb6979515"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/76837e7f6b30da72ad59f56291e22804a219e015"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/aa9054267366ff0a382d403d17728e21951ddbb9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b29a2f1dd33ae9b94821ab2f4d398b9081786748"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ca765257feb89dacf604ced9cd233db5f865dee0"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: macintosh: fix possible memory leak in macio_add_one_device()", "id": "2401533", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2401533"}, "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:\nmacintosh: fix possible memory leak in macio_add_one_device()\nAfer commit 1fa5ae857bb1 (\"driver core: get rid of struct device's\nbus_id string array\"), the name of device is allocated dynamically. It\nneeds to be freed when of_device_register() fails. Call put_device() to\ngive up the reference that's taken in device_initialize(), so that it\ncan be freed in kobject_cleanup() when the refcount hits 0.\nmacio device is freed in macio_release_dev(), so the kfree() can be\nremoved."], "name": "CVE-2022-50474", "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"}, {"cpe": "cpe:/o:redhat:rhivos:1", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat In-Vehicle Operating System 1"}], "public_date": "2025-10-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50474\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50474\nhttps://lore.kernel.org/linux-cve-announce/2025100437-CVE-2022-50474-7639@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-10-06T14:41:38.247712+00:00", "updated": "2025-10-06T14:41:38.247764+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}