{"id":"CVE-2026-98578","title":"nfc: st21nfca: validate ISO15693 inventory length","summary":"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 rema…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 7974728094d35f38775417a26d8f30ea3602496a < e47b2a350bb0ff123434ec5484c6dc3333b0727c","Linux >= 7974728094d35f38775417a26d8f30ea3602496a < 57d183764f3002f9625ee4deeeb20716c519534e","Linux >= 7974728094d35f38775417a26d8f30ea3602496a < 3af2ea4035581a1607d9830779c187a0c7e225aa","Linux >= 7974728094d35f38775417a26d8f30ea3602496a < 9fa21b0f78adb514e3bd96a505ddb752e9727ff3","Linux >= 7974728094d35f38775417a26d8f30ea3602496a < 6353dae51bc9b3cad13c9d890b53311a46c96b4e","Linux >= 7974728094d35f38775417a26d8f30ea3602496a < fdd95e819d828c975aaeb258a3fed5dd7fd136d0","Linux >= 7974728094d35f38775417a26d8f30ea3602496a < a86987d03a4d39acdbe4533d83db4d656ea36c59","Linux >= 7974728094d35f38775417a26d8f30ea3602496a < 7f2ea5ed588c03d481f0301e6c3d4240132383fb","Linux 3.16"],"published":"2026-10-18","updated":"2026-10-18","sourceUpdated":"2026-10-18T15:18:51.807Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98578","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"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T15:45:12.254Z","slug":"CVE-2026-98578","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `Linux >= 7974728094d35f38775417a26d8f30ea3602496a < e47b2a350bb0ff123434ec5484c6dc3333b0727c`\n- `Linux >= 7974728094d35f38775417a26d8f30ea3602496a < 57d183764f3002f9625ee4deeeb20716c519534e`\n- `Linux >= 7974728094d35f38775417a26d8f30ea3602496a < 3af2ea4035581a1607d9830779c187a0c7e225aa`\n- `Linux >= 7974728094d35f38775417a26d8f30ea3602496a < 9fa21b0f78adb514e3bd96a505ddb752e9727ff3`\n- `Linux >= 7974728094d35f38775417a26d8f30ea3602496a < 6353dae51bc9b3cad13c9d890b53311a46c96b4e`\n- `Linux >= 7974728094d35f38775417a26d8f30ea3602496a < fdd95e819d828c975aaeb258a3fed5dd7fd136d0`\n- `Linux >= 7974728094d35f38775417a26d8f30ea3602496a < a86987d03a4d39acdbe4533d83db4d656ea36c59`\n- `Linux >= 7974728094d35f38775417a26d8f30ea3602496a < 7f2ea5ed588c03d481f0301e6c3d4240132383fb`\n- `Linux 3.16`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}