{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74679", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-15T05:44:03.925Z", "datePublished": "2026-08-22T15:32:47.499Z", "dateUpdated": "2026-08-22T15:32:47.499Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-22T15:32:47.499Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: f_ncm: Use unsigned int for ndp_index\n\nThe variable ndp_index is declared as a signed integer, but it stores\nthe return value of get_ncm(), which is unsigned.\n\nA malicious host can supply a large offset that overflows the signed\nndp_index, making it negative. Because ndp_index is compared against\nunsigned bounds, this negative value bypasses sanity checks and leads\nto an out-of-bounds read when calculating the address of the NDP\nblock (ntb_ptr + ndp_index).\n\nFix this by changing ndp_index to unsigned int to ensure consistent\nunsigned comparisons throughout the function."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/gadget/function/f_ncm.c"], "versions": [{"version": "370af734dfaf8336b496b386e194648e097e248a", "lessThan": "9c8c6825a750fcd3efbe922847ca70ccd5a66857", "status": "affected", "versionType": "git"}, {"version": "370af734dfaf8336b496b386e194648e097e248a", "lessThan": "a1c0deeba4a46481543d6b09c665f758c54c3a1a", "status": "affected", "versionType": "git"}, {"version": "370af734dfaf8336b496b386e194648e097e248a", "lessThan": "d13f650a3485b58c124b3cda45597e8002c9c833", "status": "affected", "versionType": "git"}, {"version": "370af734dfaf8336b496b386e194648e097e248a", "lessThan": "11413d7ed42174b8f5d8d0b6a25d10dc88239b21", "status": "affected", "versionType": "git"}, {"version": "370af734dfaf8336b496b386e194648e097e248a", "lessThan": "5b2b3a3229a3f4c493ffdee53aee2f173b6f13b3", "status": "affected", "versionType": "git"}, {"version": "370af734dfaf8336b496b386e194648e097e248a", "lessThan": "d328fdc607fa1bb668ad512e1c918a120f78f337", "status": "affected", "versionType": "git"}, {"version": "370af734dfaf8336b496b386e194648e097e248a", "lessThan": "fc9e54e22845c4da29588ca0986cb7c795b5a262", "status": "affected", "versionType": "git"}, {"version": "370af734dfaf8336b496b386e194648e097e248a", "lessThan": "6b1c8a9403a26cb0fed7a648916c74dc236da591", "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/usb/gadget/function/f_ncm.c"], "versions": [{"version": "3.17", "status": "affected"}, {"version": "0", "lessThan": "3.17", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.265", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.216", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.183", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.152", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.104", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.45", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.9", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "3.17", "versionEndExcluding": "5.10.265"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "5.15.216"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "6.1.183"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "6.6.152"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "6.12.104"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "6.18.45"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "7.1.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/9c8c6825a750fcd3efbe922847ca70ccd5a66857"}, {"url": "https://git.kernel.org/stable/c/a1c0deeba4a46481543d6b09c665f758c54c3a1a"}, {"url": "https://git.kernel.org/stable/c/d13f650a3485b58c124b3cda45597e8002c9c833"}, {"url": "https://git.kernel.org/stable/c/11413d7ed42174b8f5d8d0b6a25d10dc88239b21"}, {"url": "https://git.kernel.org/stable/c/5b2b3a3229a3f4c493ffdee53aee2f173b6f13b3"}, {"url": "https://git.kernel.org/stable/c/d328fdc607fa1bb668ad512e1c918a120f78f337"}, {"url": "https://git.kernel.org/stable/c/fc9e54e22845c4da29588ca0986cb7c795b5a262"}, {"url": "https://git.kernel.org/stable/c/6b1c8a9403a26cb0fed7a648916c74dc236da591"}], "title": "usb: gadget: f_ncm: Use unsigned int for ndp_index", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/usb/gadget/function/f_ncm.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "9c8c6825a750fcd3efbe922847ca70ccd5a66857", "status": "affected", "version": "370af734dfaf8336b496b386e194648e097e248a", "versionType": "git"}, {"lessThan": "a1c0deeba4a46481543d6b09c665f758c54c3a1a", "status": "affected", "version": "370af734dfaf8336b496b386e194648e097e248a", "versionType": "git"}, {"lessThan": "d13f650a3485b58c124b3cda45597e8002c9c833", "status": "affected", "version": "370af734dfaf8336b496b386e194648e097e248a", "versionType": "git"}, {"lessThan": "11413d7ed42174b8f5d8d0b6a25d10dc88239b21", "status": "affected", "version": "370af734dfaf8336b496b386e194648e097e248a", "versionType": "git"}, {"lessThan": "5b2b3a3229a3f4c493ffdee53aee2f173b6f13b3", "status": "affected", "version": "370af734dfaf8336b496b386e194648e097e248a", "versionType": "git"}, {"lessThan": "d328fdc607fa1bb668ad512e1c918a120f78f337", "status": "affected", "version": "370af734dfaf8336b496b386e194648e097e248a", "versionType": "git"}, {"lessThan": "fc9e54e22845c4da29588ca0986cb7c795b5a262", "status": "affected", "version": "370af734dfaf8336b496b386e194648e097e248a", "versionType": "git"}, {"lessThan": "6b1c8a9403a26cb0fed7a648916c74dc236da591", "status": "affected", "version": "370af734dfaf8336b496b386e194648e097e248a", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/usb/gadget/function/f_ncm.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.17"}, {"lessThan": "3.17", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.265", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.216", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.183", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.152", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.104", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.45", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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\nusb: gadget: f_ncm: Use unsigned int for ndp_index\n\nThe variable ndp_index is declared as a signed integer, but it stores\nthe return value of get_ncm(), which is unsigned.\n\nA malicious host can supply a large offset that overflows the signed\nndp_index, making it negative. Because ndp_index is compared against\nunsigned bounds, this negative value bypasses sanity checks and leads\nto an out-of-bounds read when calculating the address of the NDP\nblock (ntb_ptr + ndp_index).\n\nFix this by changing ndp_index to unsigned int to ensure consistent\nunsigned comparisons throughout the function."}], "id": "CVE-2026-74679", "lastModified": "2026-08-22T16:16:42.090", "metrics": {}, "published": "2026-08-22T16:16:42.090", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/11413d7ed42174b8f5d8d0b6a25d10dc88239b21"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5b2b3a3229a3f4c493ffdee53aee2f173b6f13b3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6b1c8a9403a26cb0fed7a648916c74dc236da591"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9c8c6825a750fcd3efbe922847ca70ccd5a66857"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a1c0deeba4a46481543d6b09c665f758c54c3a1a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d13f650a3485b58c124b3cda45597e8002c9c833"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d328fdc607fa1bb668ad512e1c918a120f78f337"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fc9e54e22845c4da29588ca0986cb7c795b5a262"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[370af734dfaf8336b496b386e194648e097e248a,9c8c6825a750fcd3efbe922847ca70ccd5a66857)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[370af734dfaf8336b496b386e194648e097e248a,a1c0deeba4a46481543d6b09c665f758c54c3a1a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[370af734dfaf8336b496b386e194648e097e248a,d13f650a3485b58c124b3cda45597e8002c9c833)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[370af734dfaf8336b496b386e194648e097e248a,11413d7ed42174b8f5d8d0b6a25d10dc88239b21)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[370af734dfaf8336b496b386e194648e097e248a,5b2b3a3229a3f4c493ffdee53aee2f173b6f13b3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[370af734dfaf8336b496b386e194648e097e248a,d328fdc607fa1bb668ad512e1c918a120f78f337)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[370af734dfaf8336b496b386e194648e097e248a,fc9e54e22845c4da29588ca0986cb7c795b5a262)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[370af734dfaf8336b496b386e194648e097e248a,6b1c8a9403a26cb0fed7a648916c74dc236da591)"}}], "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": "3.17"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,3.17)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.265,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.216,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.183,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.152,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.104,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.45,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.9,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2,*]"}}], "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": "2026-08-22T18:30:16.838369+00:00", "updated": "2026-08-22T20:30:17.764088+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-190"]}