{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68479", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.397Z", "datePublished": "2026-08-15T05:51:34.106Z", "dateUpdated": "2026-08-15T05:51:34.106Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-15T05:51:34.106Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btrtl: validate firmware patch bounds\n\nrtlbt_parse_firmware() copies patch_length - 4 bytes before appending the\nfirmware version. A malformed firmware patch shorter than the version field\ncan make this subtraction underflow and turn the copy into an oversized\nread and write during Bluetooth setup.\n\nThe existing patch_offset + patch_length check can also wrap on 32-bit\narchitectures. Validate the patch length and range without arithmetic\noverflow before allocating or copying the patch."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/bluetooth/btrtl.c"], "versions": [{"version": "db33c77dddc2ed2cff3061d0b096a9f5ab0c3647", "lessThan": "39e01b4addfbbe177567d6ed1dfb81f9cccb19e6", "status": "affected", "versionType": "git"}, {"version": "db33c77dddc2ed2cff3061d0b096a9f5ab0c3647", "lessThan": "bda3c598ade6ea03884074b91e31608326684921", "status": "affected", "versionType": "git"}, {"version": "db33c77dddc2ed2cff3061d0b096a9f5ab0c3647", "lessThan": "a4cb830e0b55ac76c849fd7840afb251f4c028fa", "status": "affected", "versionType": "git"}, {"version": "db33c77dddc2ed2cff3061d0b096a9f5ab0c3647", "lessThan": "68c5a2a19987c035eb129e627e579adafb04f637", "status": "affected", "versionType": "git"}, {"version": "db33c77dddc2ed2cff3061d0b096a9f5ab0c3647", "lessThan": "83534891c058ed71e251135072640911670869aa", "status": "affected", "versionType": "git"}, {"version": "db33c77dddc2ed2cff3061d0b096a9f5ab0c3647", "lessThan": "6744ab60dfac55d1df5733960aad5be300984301", "status": "affected", "versionType": "git"}, {"version": "db33c77dddc2ed2cff3061d0b096a9f5ab0c3647", "lessThan": "f1ca750c0510bdbb504bf084d2f196ef2af92ea6", "status": "affected", "versionType": "git"}, {"version": "db33c77dddc2ed2cff3061d0b096a9f5ab0c3647", "lessThan": "609c5b04a28dc1b0f3af6a7bc93055135b2d2059", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/bluetooth/btrtl.c"], "versions": [{"version": "4.2", "status": "affected"}, {"version": "0", "lessThan": "4.2", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.261", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.212", "lessThanOrEqual": "5.15.*", "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-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": "4.2", "versionEndExcluding": "5.10.261"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "7.2-rc4"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/39e01b4addfbbe177567d6ed1dfb81f9cccb19e6"}, {"url": "https://git.kernel.org/stable/c/bda3c598ade6ea03884074b91e31608326684921"}, {"url": "https://git.kernel.org/stable/c/a4cb830e0b55ac76c849fd7840afb251f4c028fa"}, {"url": "https://git.kernel.org/stable/c/68c5a2a19987c035eb129e627e579adafb04f637"}, {"url": "https://git.kernel.org/stable/c/83534891c058ed71e251135072640911670869aa"}, {"url": "https://git.kernel.org/stable/c/6744ab60dfac55d1df5733960aad5be300984301"}, {"url": "https://git.kernel.org/stable/c/f1ca750c0510bdbb504bf084d2f196ef2af92ea6"}, {"url": "https://git.kernel.org/stable/c/609c5b04a28dc1b0f3af6a7bc93055135b2d2059"}], "title": "Bluetooth: btrtl: validate firmware patch bounds", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/bluetooth/btrtl.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "39e01b4addfbbe177567d6ed1dfb81f9cccb19e6", "status": "affected", "version": "db33c77dddc2ed2cff3061d0b096a9f5ab0c3647", "versionType": "git"}, {"lessThan": "bda3c598ade6ea03884074b91e31608326684921", "status": "affected", "version": "db33c77dddc2ed2cff3061d0b096a9f5ab0c3647", "versionType": "git"}, {"lessThan": "a4cb830e0b55ac76c849fd7840afb251f4c028fa", "status": "affected", "version": "db33c77dddc2ed2cff3061d0b096a9f5ab0c3647", "versionType": "git"}, {"lessThan": "68c5a2a19987c035eb129e627e579adafb04f637", "status": "affected", "version": "db33c77dddc2ed2cff3061d0b096a9f5ab0c3647", "versionType": "git"}, {"lessThan": "83534891c058ed71e251135072640911670869aa", "status": "affected", "version": "db33c77dddc2ed2cff3061d0b096a9f5ab0c3647", "versionType": "git"}, {"lessThan": "6744ab60dfac55d1df5733960aad5be300984301", "status": "affected", "version": "db33c77dddc2ed2cff3061d0b096a9f5ab0c3647", "versionType": "git"}, {"lessThan": "f1ca750c0510bdbb504bf084d2f196ef2af92ea6", "status": "affected", "version": "db33c77dddc2ed2cff3061d0b096a9f5ab0c3647", "versionType": "git"}, {"lessThan": "609c5b04a28dc1b0f3af6a7bc93055135b2d2059", "status": "affected", "version": "db33c77dddc2ed2cff3061d0b096a9f5ab0c3647", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/bluetooth/btrtl.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.2"}, {"lessThan": "4.2", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.261", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.212", "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-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: btrtl: validate firmware patch bounds\n\nrtlbt_parse_firmware() copies patch_length - 4 bytes before appending the\nfirmware version. A malformed firmware patch shorter than the version field\ncan make this subtraction underflow and turn the copy into an oversized\nread and write during Bluetooth setup.\n\nThe existing patch_offset + patch_length check can also wrap on 32-bit\narchitectures. Validate the patch length and range without arithmetic\noverflow before allocating or copying the patch."}], "id": "CVE-2026-68479", "lastModified": "2026-08-15T06:20:51.380", "metrics": {}, "published": "2026-08-15T06:20:51.380", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/39e01b4addfbbe177567d6ed1dfb81f9cccb19e6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/609c5b04a28dc1b0f3af6a7bc93055135b2d2059"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6744ab60dfac55d1df5733960aad5be300984301"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/68c5a2a19987c035eb129e627e579adafb04f637"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/83534891c058ed71e251135072640911670869aa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a4cb830e0b55ac76c849fd7840afb251f4c028fa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bda3c598ade6ea03884074b91e31608326684921"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f1ca750c0510bdbb504bf084d2f196ef2af92ea6"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[db33c77dddc2ed2cff3061d0b096a9f5ab0c3647,39e01b4addfbbe177567d6ed1dfb81f9cccb19e6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[db33c77dddc2ed2cff3061d0b096a9f5ab0c3647,bda3c598ade6ea03884074b91e31608326684921)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[db33c77dddc2ed2cff3061d0b096a9f5ab0c3647,a4cb830e0b55ac76c849fd7840afb251f4c028fa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[db33c77dddc2ed2cff3061d0b096a9f5ab0c3647,68c5a2a19987c035eb129e627e579adafb04f637)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[db33c77dddc2ed2cff3061d0b096a9f5ab0c3647,83534891c058ed71e251135072640911670869aa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[db33c77dddc2ed2cff3061d0b096a9f5ab0c3647,6744ab60dfac55d1df5733960aad5be300984301)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[db33c77dddc2ed2cff3061d0b096a9f5ab0c3647,f1ca750c0510bdbb504bf084d2f196ef2af92ea6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[db33c77dddc2ed2cff3061d0b096a9f5ab0c3647,609c5b04a28dc1b0f3af6a7bc93055135b2d2059)"}}], "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": "generic", "value": "4.2"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,4.2)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.10.261,5.10.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.15.212,5.15.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.178,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.145,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.97,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.40,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1.5,7.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-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": "2026-08-15T08:15:04.224977+00:00", "updated": "2026-08-15T21:15:03.168666+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-680", "CWE-122"]}