{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-68783", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T10:30:51.036Z", "datePublished": "2026-01-13T15:28:57.609Z", "dateUpdated": "2026-05-11T21:53:16.125Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:53:16.125Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-mixer: us16x08: validate meter packet indices\n\nget_meter_levels_from_urb() parses the 64-byte meter packets sent by\nthe device and fills the per-channel arrays meter_level[],\ncomp_level[] and master_level[] in struct snd_us16x08_meter_store.\n\nCurrently the function derives the channel index directly from the\nmeter packet (MUB2(meter_urb, s) - 1) and uses it to index those\narrays without validating the range. If the packet contains a\nnegative or out-of-range channel number, the driver may write past\nthe end of these arrays.\n\nIntroduce a local channel variable and validate it before updating the\narrays. We reject negative indices, limit meter_level[] and\ncomp_level[] to SND_US16X08_MAX_CHANNELS, and guard master_level[]\nupdates with ARRAY_SIZE(master_level)."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/usb/mixer_us16x08.c"], "versions": [{"version": "d2bb390a2081a36ffe906724d2848d846f2aeb29", "lessThan": "53461710a95e15ac1f6542450943a492ecf8e550", "status": "affected", "versionType": "git"}, {"version": "d2bb390a2081a36ffe906724d2848d846f2aeb29", "lessThan": "2168866396bd28ec4f3c8da0fbc7d08b5bd4f053", "status": "affected", "versionType": "git"}, {"version": "d2bb390a2081a36ffe906724d2848d846f2aeb29", "lessThan": "cde47f4ccad6751ac36b7471572ddf38ee91870c", "status": "affected", "versionType": "git"}, {"version": "d2bb390a2081a36ffe906724d2848d846f2aeb29", "lessThan": "2f21a7cbaaa93926f5be15bc095b9c57c35748d9", "status": "affected", "versionType": "git"}, {"version": "d2bb390a2081a36ffe906724d2848d846f2aeb29", "lessThan": "a8ad320efb663be30b794e3dd3e829301c0d0ed3", "status": "affected", "versionType": "git"}, {"version": "d2bb390a2081a36ffe906724d2848d846f2aeb29", "lessThan": "eaa95228b8a56c4880a182c0350d67922b22408f", "status": "affected", "versionType": "git"}, {"version": "d2bb390a2081a36ffe906724d2848d846f2aeb29", "lessThan": "5526c1c6ba1d0913c7dfcbbd6fe1744ea7c55f1e", "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/mixer_us16x08.c"], "versions": [{"version": "4.11", "status": "affected"}, {"version": "0", "lessThan": "4.11", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.248", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.198", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.160", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.120", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.64", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.3", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19", "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": "4.11", "versionEndExcluding": "5.10.248"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "5.15.198"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "6.1.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "6.6.120"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "6.12.64"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "6.18.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "6.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/53461710a95e15ac1f6542450943a492ecf8e550"}, {"url": "https://git.kernel.org/stable/c/2168866396bd28ec4f3c8da0fbc7d08b5bd4f053"}, {"url": "https://git.kernel.org/stable/c/cde47f4ccad6751ac36b7471572ddf38ee91870c"}, {"url": "https://git.kernel.org/stable/c/2f21a7cbaaa93926f5be15bc095b9c57c35748d9"}, {"url": "https://git.kernel.org/stable/c/a8ad320efb663be30b794e3dd3e829301c0d0ed3"}, {"url": "https://git.kernel.org/stable/c/eaa95228b8a56c4880a182c0350d67922b22408f"}, {"url": "https://git.kernel.org/stable/c/5526c1c6ba1d0913c7dfcbbd6fe1744ea7c55f1e"}], "title": "ALSA: usb-mixer: us16x08: validate meter packet indices", "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-mixer: us16x08: validate meter packet indices\n\nget_meter_levels_from_urb() parses the 64-byte meter packets sent by\nthe device and fills the per-channel arrays meter_level[],\ncomp_level[] and master_level[] in struct snd_us16x08_meter_store.\n\nCurrently the function derives the channel index directly from the\nmeter packet (MUB2(meter_urb, s) - 1) and uses it to index those\narrays without validating the range. If the packet contains a\nnegative or out-of-range channel number, the driver may write past\nthe end of these arrays.\n\nIntroduce a local channel variable and validate it before updating the\narrays. We reject negative indices, limit meter_level[] and\ncomp_level[] to SND_US16X08_MAX_CHANNELS, and guard master_level[]\nupdates with ARRAY_SIZE(master_level)."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nALSA: usb-mixer: us16x08: validar los \u00edndices de los paquetes de medidor\n\nget_meter_levels_from_urb() analiza los paquetes de medidor de 64 bytes enviados por el dispositivo y rellena los arrays por canal meter_level[], comp_level[] y master_level[] en la estructura snd_us16x08_meter_store.\n\nActualmente, la funci\u00f3n deriva el \u00edndice del canal directamente del paquete de medidor (MUB2(meter_urb, s) - 1) y lo usa para indexar esos arrays sin validar el rango. Si el paquete contiene un n\u00famero de canal negativo o fuera de rango, el controlador puede escribir m\u00e1s all\u00e1 del final de estos arrays.\n\nIntroduce una variable de canal local y val\u00eddala antes de actualizar los arrays. Rechazamos los \u00edndices negativos, limitamos meter_level[] y comp_level[] a SND_US16X08_MAX_CHANNELS, y protegemos las actualizaciones de master_level[] con ARRAY_SIZE(master_level)."}], "id": "CVE-2025-68783", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2026-01-13T16:15:58.000", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2168866396bd28ec4f3c8da0fbc7d08b5bd4f053"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2f21a7cbaaa93926f5be15bc095b9c57c35748d9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/53461710a95e15ac1f6542450943a492ecf8e550"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5526c1c6ba1d0913c7dfcbbd6fe1744ea7c55f1e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a8ad320efb663be30b794e3dd3e829301c0d0ed3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cde47f4ccad6751ac36b7471572ddf38ee91870c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/eaa95228b8a56c4880a182c0350d67922b22408f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: ALSA: usb-mixer: us16x08: validate meter packet indices", "id": "2429024", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2429024"}, "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-mixer: us16x08: validate meter packet indices\nget_meter_levels_from_urb() parses the 64-byte meter packets sent by\nthe device and fills the per-channel arrays meter_level[],\ncomp_level[] and master_level[] in struct snd_us16x08_meter_store.\nCurrently the function derives the channel index directly from the\nmeter packet (MUB2(meter_urb, s) - 1) and uses it to index those\narrays without validating the range. If the packet contains a\nnegative or out-of-range channel number, the driver may write past\nthe end of these arrays.\nIntroduce a local channel variable and validate it before updating the\narrays. We reject negative indices, limit meter_level[] and\ncomp_level[] to SND_US16X08_MAX_CHANNELS, and guard master_level[]\nupdates with ARRAY_SIZE(master_level)."], "name": "CVE-2025-68783", "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": "Not affected", "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": "2026-01-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-68783\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-68783\nhttps://lore.kernel.org/linux-cve-announce/2026011302-CVE-2025-68783-e807@gregkh/T"], "threat_severity": "Low"}

{}