{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46146", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.100Z", "datePublished": "2026-05-28T09:36:02.794Z", "dateUpdated": "2026-05-28T09:36:02.794Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-28T09:36:02.794Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Avoid potential endless loop in convert_chmap_v3()\n\nThe convert_chmap_v3() has a loop with its increment size of\ncs_desc->wLength, but we forgot to validate cs_desc->wLength itself,\nwhich may lead to potential endless loop by a malformed descriptor.\n\nAdd a proper size check to abort the loop for plugging the hole."}], "affected": [{"product": "Linux", "vendor": 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"5.16", "status": "affected", "versionType": "semver"}, {"version": "6.1.149", "lessThan": "6.2", "status": "affected", "versionType": "semver"}, {"version": "6.15.11", "lessThan": "6.16", "status": "affected", "versionType": "semver"}, {"version": "6.16.2", "lessThan": "6.17", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/usb/stream.c"], "versions": [{"version": "6.17", "status": "affected"}, {"version": "0", "lessThan": "6.17", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.140", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.88", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.30", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.7", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1-rc2", "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": "6.6.103", "versionEndExcluding": "6.6.140"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12.43", "versionEndExcluding": "6.12.88"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "6.18.30"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "7.0.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "7.1-rc2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4.297"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.241"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.190"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.149"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/e0e3dcf48189603f3865f1a0b799b3b42baae96d"}, {"url": "https://git.kernel.org/stable/c/4e0ee232ebe3df04874125d7c7f3e6c25ea5483d"}, {"url": "https://git.kernel.org/stable/c/be09b47ed8677d76962e3240c145502e2ad9f3c8"}, {"url": "https://git.kernel.org/stable/c/fa5b19ce69067874b1413f3c2027563bae8c2cb3"}, {"url": "https://git.kernel.org/stable/c/6e7247d8f5fefeceb0bb9cc80a5388a636b219cd"}], "title": "ALSA: usb-audio: Avoid potential endless loop in convert_chmap_v3()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Avoid potential endless loop in convert_chmap_v3()\n\nThe convert_chmap_v3() has a loop with its increment size of\ncs_desc->wLength, but we forgot to validate cs_desc->wLength itself,\nwhich may lead to potential endless loop by a malformed descriptor.\n\nAdd a proper size check to abort the loop for plugging the hole."}], "id": "CVE-2026-46146", "lastModified": "2026-05-28T13:44:01.663", "metrics": {}, "published": "2026-05-28T10:16:30.203", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4e0ee232ebe3df04874125d7c7f3e6c25ea5483d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6e7247d8f5fefeceb0bb9cc80a5388a636b219cd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/be09b47ed8677d76962e3240c145502e2ad9f3c8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e0e3dcf48189603f3865f1a0b799b3b42baae96d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fa5b19ce69067874b1413f3c2027563bae8c2cb3"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: ALSA: usb-audio: Avoid potential endless loop in convert_chmap_v3()", "id": "2482526", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482526"}, "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-606", "details": ["A flaw was found in the Linux kernel's ALSA (Advanced Linux Sound Architecture) usb-audio subsystem. This vulnerability exists in the `convert_chmap_v3()` function, where the `cs_desc->wLength` value is not properly validated. A malicious actor could provide a specially crafted, malformed USB audio descriptor. This could lead to an endless loop, causing a Denial of Service (DoS) on the affected system."], "name": "CVE-2026-46146", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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"}], "public_date": "2026-05-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-46146\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-46146\nhttps://lore.kernel.org/linux-cve-announce/2026052821-CVE-2026-46146-945d@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1034719fdefd26caeec0a44a868bb5a412c2c1a5,e0e3dcf48189603f3865f1a0b799b3b42baae96d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ae17b3b5e753efc239421d186cd1ff06e5ac296e,4e0ee232ebe3df04874125d7c7f3e6c25ea5483d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ecfd41166b72b67d3bdeb88d224ff445f6163869,be09b47ed8677d76962e3240c145502e2ad9f3c8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ecfd41166b72b67d3bdeb88d224ff445f6163869,fa5b19ce69067874b1413f3c2027563bae8c2cb3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ecfd41166b72b67d3bdeb88d224ff445f6163869,6e7247d8f5fefeceb0bb9cc80a5388a636b219cd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "799c06ad4c9c790c265e8b6b94947213f1fb389c"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "786571b10b1ae6d90e1242848ce78ee7e1d493c4"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "275e37532e8ebe25e8a4069b2d9f955bfd202a46"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "47ab3d820cb0a502bd0074f83bb3cf7ab5d79902"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "dfdcbcde5c20df878178245d4449feada7d5b201"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "7ef3fd250f84494fb2f7871f357808edaa1fc6ce"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.6.103,6.6.140)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.12.43,6.12.88)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.4.297,5.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.10.241,5.11)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.15.190,5.16)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.1.149,6.2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.15.11,6.16)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.16.2,6.17)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.17"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.17)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.140,6.7.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.88,6.13.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.30,6.19.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.7,7.1.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1-rc2,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-28T11:45:16.113214+00:00", "updated": "2026-05-29T05:30:36.760540+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}