{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72301", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.918Z", "datePublished": "2026-08-15T05:55:20.430Z", "dateUpdated": "2026-08-15T05:55:20.430Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-15T05:55:20.430Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: ipc3-control: Fix TOCTOU in bytes_put and bytes_get\n\nIn sof_ipc3_bytes_put(), the size used for the memcpy is derived from\nthe old data->size already in the buffer, not the incoming new data's\nsize field. If the new data has a different size, the copy length is\nwrong: it may truncate valid data or copy stale bytes.\n\nSimilarly, sof_ipc3_bytes_get() checks data->size against max_size\nwithout accounting for the sizeof(struct sof_ipc_ctrl_data) offset\nof the flex array within the allocation.\n\nFix bytes_put to validate and use the incoming data's sof_abi_hdr.size\nfrom ucontrol before copying. Fix bytes_get to subtract sizeof(*cdata)\nfrom the bounds check to match the actual available space."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/soc/sof/ipc3-control.c"], "versions": [{"version": "544ac8858f249950b4d99c68e538cdc07300528f", "lessThan": "8bd715a9d882fe1993bb2aec5eff89fffa946592", "status": "affected", "versionType": "git"}, {"version": "544ac8858f249950b4d99c68e538cdc07300528f", "lessThan": "0dce240145f47545d2e4b18c6d58033b83e1fd0e", "status": "affected", "versionType": "git"}, {"version": "544ac8858f249950b4d99c68e538cdc07300528f", "lessThan": "ed4f758f34be4c32e02933ac4fa044589d9c1c16", "status": "affected", "versionType": "git"}, {"version": "544ac8858f249950b4d99c68e538cdc07300528f", "lessThan": "0c4fbdaca225b97122b61b68c5353caa33a253c3", "status": "affected", "versionType": "git"}, {"version": "544ac8858f249950b4d99c68e538cdc07300528f", "lessThan": "92f90917413bdd6078fefff6f6c83a07bf870b04", "status": "affected", "versionType": "git"}, {"version": "544ac8858f249950b4d99c68e538cdc07300528f", "lessThan": "1f97760417b5faa60e9642fd0ed61eb17d0b1b39", "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/soc/sof/ipc3-control.c"], "versions": [{"version": "5.18", "status": "affected"}, {"version": "0", "lessThan": "5.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc1", "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": "5.18", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "7.2-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/8bd715a9d882fe1993bb2aec5eff89fffa946592"}, {"url": "https://git.kernel.org/stable/c/0dce240145f47545d2e4b18c6d58033b83e1fd0e"}, {"url": "https://git.kernel.org/stable/c/ed4f758f34be4c32e02933ac4fa044589d9c1c16"}, {"url": "https://git.kernel.org/stable/c/0c4fbdaca225b97122b61b68c5353caa33a253c3"}, {"url": "https://git.kernel.org/stable/c/92f90917413bdd6078fefff6f6c83a07bf870b04"}, {"url": "https://git.kernel.org/stable/c/1f97760417b5faa60e9642fd0ed61eb17d0b1b39"}], "title": "ASoC: SOF: ipc3-control: Fix TOCTOU in bytes_put and bytes_get", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["sound/soc/sof/ipc3-control.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "8bd715a9d882fe1993bb2aec5eff89fffa946592", "status": "affected", "version": "544ac8858f249950b4d99c68e538cdc07300528f", "versionType": "git"}, {"lessThan": "0dce240145f47545d2e4b18c6d58033b83e1fd0e", "status": "affected", "version": "544ac8858f249950b4d99c68e538cdc07300528f", "versionType": "git"}, {"lessThan": "ed4f758f34be4c32e02933ac4fa044589d9c1c16", "status": "affected", "version": "544ac8858f249950b4d99c68e538cdc07300528f", "versionType": "git"}, {"lessThan": "0c4fbdaca225b97122b61b68c5353caa33a253c3", "status": "affected", "version": "544ac8858f249950b4d99c68e538cdc07300528f", "versionType": "git"}, {"lessThan": "92f90917413bdd6078fefff6f6c83a07bf870b04", "status": "affected", "version": "544ac8858f249950b4d99c68e538cdc07300528f", "versionType": "git"}, {"lessThan": "1f97760417b5faa60e9642fd0ed61eb17d0b1b39", "status": "affected", "version": "544ac8858f249950b4d99c68e538cdc07300528f", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["sound/soc/sof/ipc3-control.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.18"}, {"lessThan": "5.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.178", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2-rc1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: ipc3-control: Fix TOCTOU in bytes_put and bytes_get\n\nIn sof_ipc3_bytes_put(), the size used for the memcpy is derived from\nthe old data->size already in the buffer, not the incoming new data's\nsize field. If the new data has a different size, the copy length is\nwrong: it may truncate valid data or copy stale bytes.\n\nSimilarly, sof_ipc3_bytes_get() checks data->size against max_size\nwithout accounting for the sizeof(struct sof_ipc_ctrl_data) offset\nof the flex array within the allocation.\n\nFix bytes_put to validate and use the incoming data's sof_abi_hdr.size\nfrom ucontrol before copying. Fix bytes_get to subtract sizeof(*cdata)\nfrom the bounds check to match the actual available space."}], "id": "CVE-2026-72301", "lastModified": "2026-08-15T06:22:02.807", "metrics": {}, "published": "2026-08-15T06:22:02.807", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0c4fbdaca225b97122b61b68c5353caa33a253c3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0dce240145f47545d2e4b18c6d58033b83e1fd0e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1f97760417b5faa60e9642fd0ed61eb17d0b1b39"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8bd715a9d882fe1993bb2aec5eff89fffa946592"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/92f90917413bdd6078fefff6f6c83a07bf870b04"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ed4f758f34be4c32e02933ac4fa044589d9c1c16"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

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