CVE-2022-50484

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However, when -ENOMEM hits at the middle of the\nsync EP URB allocation loop, the partially allocated URBs might be\nleft without released, because ep->nurbs is still zero at that point.\n\nFix it by setting ep->nurbs at first, so that the error handler loops\nover the full URB list."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/usb/endpoint.c"], "versions": [{"version": "8fdff6a319e7dac757c558bd283dc4577e68cde7", "lessThan": "0604e5e5537af099ea2f6dfd892afe5c92db8a80", "status": "affected", "versionType": "git"}, {"version": "8fdff6a319e7dac757c558bd283dc4577e68cde7", "lessThan": "28d8d267af5d73f91d7640cbdb4024703256e36c", "status": "affected", "versionType": "git"}, {"version": "8fdff6a319e7dac757c558bd283dc4577e68cde7", "lessThan": "46f0aed47673e275d682af60ed26dcc28add8eae", "status": "affected", "versionType": "git"}, {"version": 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"https://git.kernel.org/stable/c/bc1d16d282bca421c6fc31de4b8fd412010f01bd"}, {"url": "https://git.kernel.org/stable/c/0672215994e2347a9b4f145e2bc1709b1e01cee3"}, {"url": "https://git.kernel.org/stable/c/faa8c1ed77d0169955b9b3516b714cc5fb512f27"}, {"url": "https://git.kernel.org/stable/c/e4442410f76d66b9f7e854010bce04853f665324"}, {"url": "https://git.kernel.org/stable/c/6382da0828995af87aa8b8bef28cc61aceb4aff3"}], "title": "ALSA: usb-audio: Fix potential memory leaks", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

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that releases the all previously\nallocated resources. However, when -ENOMEM hits at the middle of the\nsync EP URB allocation loop, the partially allocated URBs might be\nleft without released, because ep->nurbs is still zero at that point.\n\nFix it by setting ep->nurbs at first, so that the error handler loops\nover the full URB list."}], "id": "CVE-2022-50484", "lastModified": "2026-06-17T05:23:38.840", "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": "2025-10-04T16:15:45.210", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0604e5e5537af099ea2f6dfd892afe5c92db8a80"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0672215994e2347a9b4f145e2bc1709b1e01cee3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/28d8d267af5d73f91d7640cbdb4024703256e36c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/46f0aed47673e275d682af60ed26dcc28add8eae"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6382da0828995af87aa8b8bef28cc61aceb4aff3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/988ec0cd0a2643c25c1658f7c33de2e15a5a2e31"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bc1d16d282bca421c6fc31de4b8fd412010f01bd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e4442410f76d66b9f7e854010bce04853f665324"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/faa8c1ed77d0169955b9b3516b714cc5fb512f27"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ALSA: usb-audio: Fix potential memory leaks", "id": "2401488", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2401488"}, "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:\nALSA: usb-audio: Fix potential memory leaks\nWhen the driver hits -ENOMEM at allocating a URB or a buffer, it\naborts and goes to the error path that releases the all previously\nallocated resources. However, when -ENOMEM hits at the middle of the\nsync EP URB allocation loop, the partially allocated URBs might be\nleft without released, because ep->nurbs is still zero at that point.\nFix it by setting ep->nurbs at first, so that the error handler loops\nover the full URB list."], "name": "CVE-2022-50484", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "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"}, {"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-2022-50484\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50484\nhttps://lore.kernel.org/linux-cve-announce/2025100440-CVE-2022-50484-1a6a@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-10-06T14:41:31.149406+00:00", "updated": "2025-10-06T14:41:31.149453+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}