{"api_version":"1","generated_at":"2026-08-22T04:38:18+00:00","cve":"CVE-2026-72300","urls":{"html":"https://cve.report/CVE-2026-72300","api":"https://cve.report/api/cve/CVE-2026-72300.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-72300","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-72300"},"summary":{"title":"ASoC: SOF: topology: validate vendor array size before parsing","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: topology: validate vendor array size before parsing\n\nsof_parse_token_sets() reads array->size while iterating over topology\nprivate data. The loop condition only checks that some data remains, so a\nmalformed topology with a truncated trailing vendor array can make the\nparser read the size field before a full vendor-array header is available.\n\nValidate that the remaining private data contains a complete\nsnd_soc_tplg_vendor_array header before reading array->size.\n\nThe declared array size check also needs to remain signed. asize is an int,\nbut sizeof(*array) has type size_t, so comparing them directly promotes\nnegative asize values to unsigned and lets them pass the check,\nas reported in the stable review thread reference below.\n\nCast sizeof(*array) to int when validating the declared array size. This\nrejects negative, zero and otherwise too-small sizes before the parser\ndispatches to the tuple-specific code.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:02","updated_at":"2026-08-17 06:18:32"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/8468dd79cfb2ffbdeaf7c353f63d64941cb8ba05","name":"https://git.kernel.org/stable/c/8468dd79cfb2ffbdeaf7c353f63d64941cb8ba05","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d34deef34c99bb4b3ebd2ac51058857827a20e7e","name":"https://git.kernel.org/stable/c/d34deef34c99bb4b3ebd2ac51058857827a20e7e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7c6d2d2baeb1e62dc8c6951d27edc16c5ea6e3aa","name":"https://git.kernel.org/stable/c/7c6d2d2baeb1e62dc8c6951d27edc16c5ea6e3aa","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a40e250414b463e953c54cd2a829c9a9a49a78c3","name":"https://git.kernel.org/stable/c/a40e250414b463e953c54cd2a829c9a9a49a78c3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/201b60c4d15538fcc3c0c2ea9b75dd7d0f58022c","name":"https://git.kernel.org/stable/c/201b60c4d15538fcc3c0c2ea9b75dd7d0f58022c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-72300","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72300","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5c37bd025068381f5bdbbf6a5ae3a1da8f6ed928 7c6d2d2baeb1e62dc8c6951d27edc16c5ea6e3aa git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 06d4938e41d62af7b5b3f39eb239f58b21f50443 a40e250414b463e953c54cd2a829c9a9a49a78c3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 55024322915539098f7a7dd318351c7a003ff041 d34deef34c99bb4b3ebd2ac51058857827a20e7e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 215e5fe75881a7e2425df04aeeed47a903d5cd5d 201b60c4d15538fcc3c0c2ea9b75dd7d0f58022c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 215e5fe75881a7e2425df04aeeed47a903d5cd5d 8468dd79cfb2ffbdeaf7c353f63d64941cb8ba05 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 756c48bdf23050def518e85929be6edea9ae6823 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.6.136 6.6.145 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.12.83 6.12.97 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18.24 6.18.40 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.19.14 6.20 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7.0","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.145 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"72300","cve":"CVE-2026-72300","epss":"0.002000000","percentile":"0.101530000","score_date":"2026-08-17","updated_at":"2026-08-18 00:11:47"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["sound/soc/sof/topology.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7c6d2d2baeb1e62dc8c6951d27edc16c5ea6e3aa","status":"affected","version":"5c37bd025068381f5bdbbf6a5ae3a1da8f6ed928","versionType":"git"},{"lessThan":"a40e250414b463e953c54cd2a829c9a9a49a78c3","status":"affected","version":"06d4938e41d62af7b5b3f39eb239f58b21f50443","versionType":"git"},{"lessThan":"d34deef34c99bb4b3ebd2ac51058857827a20e7e","status":"affected","version":"55024322915539098f7a7dd318351c7a003ff041","versionType":"git"},{"lessThan":"201b60c4d15538fcc3c0c2ea9b75dd7d0f58022c","status":"affected","version":"215e5fe75881a7e2425df04aeeed47a903d5cd5d","versionType":"git"},{"lessThan":"8468dd79cfb2ffbdeaf7c353f63d64941cb8ba05","status":"affected","version":"215e5fe75881a7e2425df04aeeed47a903d5cd5d","versionType":"git"},{"status":"affected","version":"756c48bdf23050def518e85929be6edea9ae6823","versionType":"git"},{"lessThan":"6.6.145","status":"affected","version":"6.6.136","versionType":"semver"},{"lessThan":"6.12.97","status":"affected","version":"6.12.83","versionType":"semver"},{"lessThan":"6.18.40","status":"affected","version":"6.18.24","versionType":"semver"},{"lessThan":"6.20","status":"affected","version":"6.19.14","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["sound/soc/sof/topology.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.0"},{"lessThan":"7.0","status":"unaffected","version":"0","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","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"6.6.136","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"6.12.83","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"6.18.24","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"7.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"7.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19.14","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: topology: validate vendor array size before parsing\n\nsof_parse_token_sets() reads array->size while iterating over topology\nprivate data. The loop condition only checks that some data remains, so a\nmalformed topology with a truncated trailing vendor array can make the\nparser read the size field before a full vendor-array header is available.\n\nValidate that the remaining private data contains a complete\nsnd_soc_tplg_vendor_array header before reading array->size.\n\nThe declared array size check also needs to remain signed. asize is an int,\nbut sizeof(*array) has type size_t, so comparing them directly promotes\nnegative asize values to unsigned and lets them pass the check,\nas reported in the stable review thread reference below.\n\nCast sizeof(*array) to int when validating the declared array size. This\nrejects negative, zero and otherwise too-small sizes before the parser\ndispatches to the tuple-specific code."}],"providerMetadata":{"dateUpdated":"2026-08-17T05:12:03.913Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/7c6d2d2baeb1e62dc8c6951d27edc16c5ea6e3aa"},{"url":"https://git.kernel.org/stable/c/a40e250414b463e953c54cd2a829c9a9a49a78c3"},{"url":"https://git.kernel.org/stable/c/d34deef34c99bb4b3ebd2ac51058857827a20e7e"},{"url":"https://git.kernel.org/stable/c/201b60c4d15538fcc3c0c2ea9b75dd7d0f58022c"},{"url":"https://git.kernel.org/stable/c/8468dd79cfb2ffbdeaf7c353f63d64941cb8ba05"}],"title":"ASoC: SOF: topology: validate vendor array size before parsing","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-72300","datePublished":"2026-08-15T05:55:19.786Z","dateReserved":"2026-08-09T03:40:39.918Z","dateUpdated":"2026-08-17T05:12:03.913Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:02","lastModifiedDate":"2026-08-17 06:18:32","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"72300","Ordinal":"1","Title":"ASoC: SOF: topology: validate vendor array size before parsing","CVE":"CVE-2026-72300","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"72300","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: topology: validate vendor array size before parsing\n\nsof_parse_token_sets() reads array->size while iterating over topology\nprivate data. The loop condition only checks that some data remains, so a\nmalformed topology with a truncated trailing vendor array can make the\nparser read the size field before a full vendor-array header is available.\n\nValidate that the remaining private data contains a complete\nsnd_soc_tplg_vendor_array header before reading array->size.\n\nThe declared array size check also needs to remain signed. asize is an int,\nbut sizeof(*array) has type size_t, so comparing them directly promotes\nnegative asize values to unsigned and lets them pass the check,\nas reported in the stable review thread reference below.\n\nCast sizeof(*array) to int when validating the declared array size. This\nrejects negative, zero and otherwise too-small sizes before the parser\ndispatches to the tuple-specific code.","Type":"Description","Title":"ASoC: SOF: topology: validate vendor array size before parsing"}]}}}