{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-54022", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T10:53:46.179Z", "datePublished": "2025-12-24T10:55:52.045Z", "dateUpdated": "2025-12-24T10:55:52.045Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-24T10:55:52.045Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Fix potential memory leaks at error path for UMP open\n\nThe allocation and initialization errors at alloc_midi_urbs() that is\ncalled at MIDI 2.0 / UMP device are supposed to be handled at the\ncaller side by invoking free_midi_urbs(). However, free_midi_urbs()\nloops only for ep->num_urbs entries, and since ep->num_entries wasn't\nupdated yet at the allocation / init error in alloc_midi_urbs(), this\nentry won't be released.\n\nThe intention of free_midi_urbs() is to release the whole elements, so\nchange the loop size to NUM_URBS to scan over all elements for fixing\nthe missed releases.\n\nAlso, the call of free_midi_urbs() is missing at\nsnd_usb_midi_v2_open(). Although it'll be released later at\nreopen/close or disconnection, it's better to release immediately at\nthe error path."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/usb/midi2.c"], "versions": [{"version": "ff49d1df79aef7580fe3ac99d17c3f886655d080", "lessThan": "f819b343aa95d24d5f7d6e06660c7f62591abc5f", "status": "affected", "versionType": "git"}, {"version": "ff49d1df79aef7580fe3ac99d17c3f886655d080", "lessThan": "b1757fa30ef14f254f4719bf6f7d54a4c8207216", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/usb/midi2.c"], "versions": [{"version": "6.5", "status": "affected"}, {"version": "0", "lessThan": "6.5", "status": "unaffected", "versionType": "semver"}, {"version": "6.5.3", "lessThanOrEqual": "6.5.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6", "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": "6.5", "versionEndExcluding": "6.5.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.6"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/f819b343aa95d24d5f7d6e06660c7f62591abc5f"}, {"url": "https://git.kernel.org/stable/c/b1757fa30ef14f254f4719bf6f7d54a4c8207216"}], "title": "ALSA: usb-audio: Fix potential memory leaks at error path for UMP open", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Fix potential memory leaks at error path for UMP open\n\nThe allocation and initialization errors at alloc_midi_urbs() that is\ncalled at MIDI 2.0 / UMP device are supposed to be handled at the\ncaller side by invoking free_midi_urbs(). However, free_midi_urbs()\nloops only for ep->num_urbs entries, and since ep->num_entries wasn't\nupdated yet at the allocation / init error in alloc_midi_urbs(), this\nentry won't be released.\n\nThe intention of free_midi_urbs() is to release the whole elements, so\nchange the loop size to NUM_URBS to scan over all elements for fixing\nthe missed releases.\n\nAlso, the call of free_midi_urbs() is missing at\nsnd_usb_midi_v2_open(). Although it'll be released later at\nreopen/close or disconnection, it's better to release immediately at\nthe error path."}], "id": "CVE-2023-54022", "lastModified": "2025-12-24T11:15:55.210", "metrics": {}, "published": "2025-12-24T11:15:55.210", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b1757fa30ef14f254f4719bf6f7d54a4c8207216"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f819b343aa95d24d5f7d6e06660c7f62591abc5f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

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