{"id":"CVE-2026-98578","state":"PUBLISHED","title":"nfc: st21nfca: validate ISO15693 inventory length","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: st21nfca: validate ISO15693 inventory length\n\nThe ISO15693 inventory helper removes a two-byte prefix without checking\nthat it exists, then accepts a one-byte remainder before reading data[1] as\nthe DSFID.\n\nRequire the prefix and at least two remaining bytes before copying the UID\ndata and reading the DSFID.","publishedAt":"2026-10-18T15:18:51.807Z","updatedAt":"2026-10-19T09:22:03.614Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7974728094d35f38775417a26d8f30ea3602496a","status":"affected","lessThan":"e47b2a350bb0ff123434ec5484c6dc3333b0727c","versionType":"git"},{"version":"7974728094d35f38775417a26d8f30ea3602496a","status":"affected","lessThan":"57d183764f3002f9625ee4deeeb20716c519534e","versionType":"git"},{"version":"7974728094d35f38775417a26d8f30ea3602496a","status":"affected","lessThan":"3af2ea4035581a1607d9830779c187a0c7e225aa","versionType":"git"},{"version":"7974728094d35f38775417a26d8f30ea3602496a","status":"affected","lessThan":"9fa21b0f78adb514e3bd96a505ddb752e9727ff3","versionType":"git"},{"version":"7974728094d35f38775417a26d8f30ea3602496a","status":"affected","lessThan":"6353dae51bc9b3cad13c9d890b53311a46c96b4e","versionType":"git"},{"version":"7974728094d35f38775417a26d8f30ea3602496a","status":"affected","lessThan":"fdd95e819d828c975aaeb258a3fed5dd7fd136d0","versionType":"git"},{"version":"7974728094d35f38775417a26d8f30ea3602496a","status":"affected","lessThan":"a86987d03a4d39acdbe4533d83db4d656ea36c59","versionType":"git"},{"version":"7974728094d35f38775417a26d8f30ea3602496a","status":"affected","lessThan":"7f2ea5ed588c03d481f0301e6c3d4240132383fb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nfc/st21nfca/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.16","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.55","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.9","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/nfc/st21nfca/core.c"]}],"references":["https://git.kernel.org/stable/c/e47b2a350bb0ff123434ec5484c6dc3333b0727c","https://git.kernel.org/stable/c/57d183764f3002f9625ee4deeeb20716c519534e","https://git.kernel.org/stable/c/3af2ea4035581a1607d9830779c187a0c7e225aa","https://git.kernel.org/stable/c/9fa21b0f78adb514e3bd96a505ddb752e9727ff3","https://git.kernel.org/stable/c/6353dae51bc9b3cad13c9d890b53311a46c96b4e","https://git.kernel.org/stable/c/fdd95e819d828c975aaeb258a3fed5dd7fd136d0","https://git.kernel.org/stable/c/a86987d03a4d39acdbe4533d83db4d656ea36c59","https://git.kernel.org/stable/c/7f2ea5ed588c03d481f0301e6c3d4240132383fb"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98578.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98578","state":"PUBLISHED","datePublished":"2026-10-18T15:18:51.807Z","dateUpdated":"2026-10-19T09:22:03.614Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.358Z"},"containers":{"cna":{"title":"nfc: st21nfca: validate ISO15693 inventory length","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: st21nfca: validate ISO15693 inventory length\n\nThe ISO15693 inventory helper removes a two-byte prefix without checking\nthat it exists, then accepts a one-byte remainder before reading data[1] as\nthe DSFID.\n\nRequire the prefix and at least two remaining bytes before copying the UID\ndata and reading the DSFID."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7974728094d35f38775417a26d8f30ea3602496a","status":"affected","lessThan":"e47b2a350bb0ff123434ec5484c6dc3333b0727c","versionType":"git"},{"version":"7974728094d35f38775417a26d8f30ea3602496a","status":"affected","lessThan":"57d183764f3002f9625ee4deeeb20716c519534e","versionType":"git"},{"version":"7974728094d35f38775417a26d8f30ea3602496a","status":"affected","lessThan":"3af2ea4035581a1607d9830779c187a0c7e225aa","versionType":"git"},{"version":"7974728094d35f38775417a26d8f30ea3602496a","status":"affected","lessThan":"9fa21b0f78adb514e3bd96a505ddb752e9727ff3","versionType":"git"},{"version":"7974728094d35f38775417a26d8f30ea3602496a","status":"affected","lessThan":"6353dae51bc9b3cad13c9d890b53311a46c96b4e","versionType":"git"},{"version":"7974728094d35f38775417a26d8f30ea3602496a","status":"affected","lessThan":"fdd95e819d828c975aaeb258a3fed5dd7fd136d0","versionType":"git"},{"version":"7974728094d35f38775417a26d8f30ea3602496a","status":"affected","lessThan":"a86987d03a4d39acdbe4533d83db4d656ea36c59","versionType":"git"},{"version":"7974728094d35f38775417a26d8f30ea3602496a","status":"affected","lessThan":"7f2ea5ed588c03d481f0301e6c3d4240132383fb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nfc/st21nfca/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.16","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.55","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.9","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/nfc/st21nfca/core.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e47b2a350bb0ff123434ec5484c6dc3333b0727c"},{"url":"https://git.kernel.org/stable/c/57d183764f3002f9625ee4deeeb20716c519534e"},{"url":"https://git.kernel.org/stable/c/3af2ea4035581a1607d9830779c187a0c7e225aa"},{"url":"https://git.kernel.org/stable/c/9fa21b0f78adb514e3bd96a505ddb752e9727ff3"},{"url":"https://git.kernel.org/stable/c/6353dae51bc9b3cad13c9d890b53311a46c96b4e"},{"url":"https://git.kernel.org/stable/c/fdd95e819d828c975aaeb258a3fed5dd7fd136d0"},{"url":"https://git.kernel.org/stable/c/a86987d03a4d39acdbe4533d83db4d656ea36c59"},{"url":"https://git.kernel.org/stable/c/7f2ea5ed588c03d481f0301e6c3d4240132383fb"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:22:03.614Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"5.10.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"6.18.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"7.2.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}