{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98247", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.330Z", "datePublished": "2026-10-06T08:45:16.048Z", "dateUpdated": "2026-10-06T08:45:16.048Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-06T08:45:16.048Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_codec: validate vendor codec count length\n\nThe Read Local Supported Codecs parsers consume the variable-sized\nstandard codec array before parsing the vendor codec count. Although the\ninitial reply-size check includes a vendor count byte in the fixed layout,\nit does not guarantee that the byte remains after the standard codec array.\n\nIf a controller reply ends immediately after that array, calculating the\nvendor codec array size reads vnd_codecs->num beyond the skb data. Use\nskb_pull_data() to validate and consume each codec header before using its\ncount in both command variants."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bluetooth/hci_codec.c"], "versions": [{"version": "8961987f3f5fa2f2618e72304d013c8dd5e604a6", "lessThan": "9c04b9a4d08b95dee901d24b7607c4cbd65fa0a8", "status": "affected", "versionType": "git"}, {"version": "8961987f3f5fa2f2618e72304d013c8dd5e604a6", "lessThan": "a6da782fefae611e68a1aa79644065fc8ca5abcd", "status": "affected", "versionType": "git"}, {"version": "8961987f3f5fa2f2618e72304d013c8dd5e604a6", "lessThan": "e4cfd3c4299105237458b27958bd7b0aa4c60795", "status": "affected", "versionType": "git"}, {"version": "8961987f3f5fa2f2618e72304d013c8dd5e604a6", "lessThan": "f49a543d76d48f184b34225d9c0e2fc4cbdea8ec", "status": "affected", "versionType": "git"}, {"version": "8961987f3f5fa2f2618e72304d013c8dd5e604a6", "lessThan": "12a82819b0cada6e304790b1097f8f9006eb6123", "status": "affected", "versionType": "git"}, {"version": "8961987f3f5fa2f2618e72304d013c8dd5e604a6", "lessThan": "d0795cfd6f655f4de84868a4f4bb41a03f037b3d", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bluetooth/hci_codec.c"], "versions": [{"version": "5.16", "status": "affected"}, {"version": "0", "lessThan": "5.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.189", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.158", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.112", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.54", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.8", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3-rc4", "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": "5.16", "versionEndExcluding": "6.1.189"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.6.158"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.12.112"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.18.54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "7.2.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "7.3-rc4"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/9c04b9a4d08b95dee901d24b7607c4cbd65fa0a8"}, {"url": "https://git.kernel.org/stable/c/a6da782fefae611e68a1aa79644065fc8ca5abcd"}, {"url": "https://git.kernel.org/stable/c/e4cfd3c4299105237458b27958bd7b0aa4c60795"}, {"url": "https://git.kernel.org/stable/c/f49a543d76d48f184b34225d9c0e2fc4cbdea8ec"}, {"url": "https://git.kernel.org/stable/c/12a82819b0cada6e304790b1097f8f9006eb6123"}, {"url": "https://git.kernel.org/stable/c/d0795cfd6f655f4de84868a4f4bb41a03f037b3d"}], "title": "Bluetooth: hci_codec: validate vendor codec count length", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/bluetooth/hci_codec.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "9c04b9a4d08b95dee901d24b7607c4cbd65fa0a8", "status": "affected", "version": "8961987f3f5fa2f2618e72304d013c8dd5e604a6", "versionType": "git"}, {"lessThan": "a6da782fefae611e68a1aa79644065fc8ca5abcd", "status": "affected", "version": "8961987f3f5fa2f2618e72304d013c8dd5e604a6", "versionType": "git"}, {"lessThan": "e4cfd3c4299105237458b27958bd7b0aa4c60795", "status": "affected", "version": "8961987f3f5fa2f2618e72304d013c8dd5e604a6", "versionType": "git"}, {"lessThan": "f49a543d76d48f184b34225d9c0e2fc4cbdea8ec", "status": "affected", "version": "8961987f3f5fa2f2618e72304d013c8dd5e604a6", "versionType": "git"}, {"lessThan": "12a82819b0cada6e304790b1097f8f9006eb6123", "status": "affected", "version": "8961987f3f5fa2f2618e72304d013c8dd5e604a6", "versionType": "git"}, {"lessThan": "d0795cfd6f655f4de84868a4f4bb41a03f037b3d", "status": "affected", "version": "8961987f3f5fa2f2618e72304d013c8dd5e604a6", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/bluetooth/hci_codec.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.16"}, {"lessThan": "5.16", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.189", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.158", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.112", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.54", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.8", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3-rc4", "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\nBluetooth: hci_codec: validate vendor codec count length\n\nThe Read Local Supported Codecs parsers consume the variable-sized\nstandard codec array before parsing the vendor codec count. Although the\ninitial reply-size check includes a vendor count byte in the fixed layout,\nit does not guarantee that the byte remains after the standard codec array.\n\nIf a controller reply ends immediately after that array, calculating the\nvendor codec array size reads vnd_codecs->num beyond the skb data. Use\nskb_pull_data() to validate and consume each codec header before using its\ncount in both command variants."}], "id": "CVE-2026-98247", "lastModified": "2026-10-06T09:18:12.940", "metrics": {}, "published": "2026-10-06T09:18:12.940", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/12a82819b0cada6e304790b1097f8f9006eb6123"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9c04b9a4d08b95dee901d24b7607c4cbd65fa0a8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a6da782fefae611e68a1aa79644065fc8ca5abcd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d0795cfd6f655f4de84868a4f4bb41a03f037b3d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e4cfd3c4299105237458b27958bd7b0aa4c60795"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f49a543d76d48f184b34225d9c0e2fc4cbdea8ec"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8961987f3f5fa2f2618e72304d013c8dd5e604a6,9c04b9a4d08b95dee901d24b7607c4cbd65fa0a8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8961987f3f5fa2f2618e72304d013c8dd5e604a6,a6da782fefae611e68a1aa79644065fc8ca5abcd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8961987f3f5fa2f2618e72304d013c8dd5e604a6,e4cfd3c4299105237458b27958bd7b0aa4c60795)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8961987f3f5fa2f2618e72304d013c8dd5e604a6,f49a543d76d48f184b34225d9c0e2fc4cbdea8ec)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8961987f3f5fa2f2618e72304d013c8dd5e604a6,12a82819b0cada6e304790b1097f8f9006eb6123)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8961987f3f5fa2f2618e72304d013c8dd5e604a6,d0795cfd6f655f4de84868a4f4bb41a03f037b3d)"}}], "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": "5.16"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.16)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.189,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.158,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.112,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.54,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.8,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc4,*]"}}], "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": "2026-10-06T14:45:18.429383+00:00", "updated": "2026-10-06T16:30:02.731171+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-20", "CWE-787", "CWE-125"]}