{"id":"CVE-2026-98110","state":"PUBLISHED","title":"Bluetooth: btintel: bound firmware ID by TLV length","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel: bound firmware ID by TLV length\n\nThe firmware ID is treated as a NUL-terminated string even though the\nTLV length is its only boundary. If the value does not contain a NUL\nterminator, snprintf() can read beyond the received response.\n\nLimit the conversion to the advertised TLV value length.","publishedAt":"2026-09-25T10:35:58.136Z","updatedAt":"2026-10-19T09:14:02.695Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"164c62f958f8c7f0bde1e9a5a8677971c6f28205","status":"affected","lessThan":"aef56a2bd5aa22808ce508605d7497d2b5e8eb5f","versionType":"git"},{"version":"164c62f958f8c7f0bde1e9a5a8677971c6f28205","status":"affected","lessThan":"058f56de5f48ba4b3be01526006ac83ce9e79f39","versionType":"git"},{"version":"164c62f958f8c7f0bde1e9a5a8677971c6f28205","status":"affected","lessThan":"a07b3024a927892dd46e7dfbed438e8834e24098","versionType":"git"},{"version":"164c62f958f8c7f0bde1e9a5a8677971c6f28205","status":"affected","lessThan":"ac8aa9e0ec93a12a60230066f199f49c3b9aac3d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btintel.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.11","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btintel.c"]}],"references":["https://git.kernel.org/stable/c/aef56a2bd5aa22808ce508605d7497d2b5e8eb5f","https://git.kernel.org/stable/c/058f56de5f48ba4b3be01526006ac83ce9e79f39","https://git.kernel.org/stable/c/a07b3024a927892dd46e7dfbed438e8834e24098","https://git.kernel.org/stable/c/ac8aa9e0ec93a12a60230066f199f49c3b9aac3d"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98110.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98110","state":"PUBLISHED","datePublished":"2026-09-25T10:35:58.136Z","dateUpdated":"2026-10-19T09:14:02.695Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.316Z"},"containers":{"cna":{"title":"Bluetooth: btintel: bound firmware ID by TLV length","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel: bound firmware ID by TLV length\n\nThe firmware ID is treated as a NUL-terminated string even though the\nTLV length is its only boundary. If the value does not contain a NUL\nterminator, snprintf() can read beyond the received response.\n\nLimit the conversion to the advertised TLV value length."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"164c62f958f8c7f0bde1e9a5a8677971c6f28205","status":"affected","lessThan":"aef56a2bd5aa22808ce508605d7497d2b5e8eb5f","versionType":"git"},{"version":"164c62f958f8c7f0bde1e9a5a8677971c6f28205","status":"affected","lessThan":"058f56de5f48ba4b3be01526006ac83ce9e79f39","versionType":"git"},{"version":"164c62f958f8c7f0bde1e9a5a8677971c6f28205","status":"affected","lessThan":"a07b3024a927892dd46e7dfbed438e8834e24098","versionType":"git"},{"version":"164c62f958f8c7f0bde1e9a5a8677971c6f28205","status":"affected","lessThan":"ac8aa9e0ec93a12a60230066f199f49c3b9aac3d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btintel.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.11","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btintel.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/aef56a2bd5aa22808ce508605d7497d2b5e8eb5f"},{"url":"https://git.kernel.org/stable/c/058f56de5f48ba4b3be01526006ac83ce9e79f39"},{"url":"https://git.kernel.org/stable/c/a07b3024a927892dd46e7dfbed438e8834e24098"},{"url":"https://git.kernel.org/stable/c/ac8aa9e0ec93a12a60230066f199f49c3b9aac3d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:14:02.695Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"7.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}