{"id":"CVE-2026-98579","title":"nfc: llcp: fix sdreq TLV list leak on parse/alloc/send failure","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: llcp: fix sdreq TLV list leak on parse/alloc/send failure\n\nnfc_genl_llc_sdreq() builds a list of TLV nodes while walking nested\nnetlink attrs, but 3 error paths (n…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 5b1eca82085134bd92cd3810b0ef003c91e3f668","Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < d3f60a7fc291d08cd9192a3b4cd5d3a223fa7d02","Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 755bfc409748d8f3df64eb0eb26926270de3dd77","Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < e43ec0191c1630f41e7043ac729ea6f1b8044a7f","Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 08d2c069239ab425fdd333784a6a3b3e034e4aa0","Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < cbde7f5d326172d6dbb55cca0df42fa7e1ed8115","Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 0b01a946b0f234f5badd25968610b585a4895f08","Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 66f4300206b82b0b143ef0d9be90cd8d29f23a47","Linux 3.10"],"published":"2026-10-18","updated":"2026-10-18","sourceUpdated":"2026-10-18T15:18:52.611Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98579","references":[{"url":"https://git.kernel.org/stable/c/5b1eca82085134bd92cd3810b0ef003c91e3f668"},{"url":"https://git.kernel.org/stable/c/d3f60a7fc291d08cd9192a3b4cd5d3a223fa7d02"},{"url":"https://git.kernel.org/stable/c/755bfc409748d8f3df64eb0eb26926270de3dd77"},{"url":"https://git.kernel.org/stable/c/e43ec0191c1630f41e7043ac729ea6f1b8044a7f"},{"url":"https://git.kernel.org/stable/c/08d2c069239ab425fdd333784a6a3b3e034e4aa0"},{"url":"https://git.kernel.org/stable/c/cbde7f5d326172d6dbb55cca0df42fa7e1ed8115"},{"url":"https://git.kernel.org/stable/c/0b01a946b0f234f5badd25968610b585a4895f08"},{"url":"https://git.kernel.org/stable/c/66f4300206b82b0b143ef0d9be90cd8d29f23a47"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T15:45:12.255Z","slug":"CVE-2026-98579","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnfc: llcp: fix sdreq TLV list leak on parse/alloc/send failure\n\nnfc_genl_llc_sdreq() builds a list of TLV nodes while walking nested\nnetlink attrs, but 3 error paths (nested-attr parse failure, TLV alloc\nENOMEM, nfc_llcp_send_snl_sdreq() failure) all skip freeing what was\nalready queued.\n\nRoute them through a new free_list label, mirroring the SDRES path in\nthe same file which already does this. Harmless on the success path\ntoo -- send_snl_sdreq() drains the list as it moves nodes, so it's\nalready empty by the time free_list runs.\n\n## Affected\n\n- `Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 5b1eca82085134bd92cd3810b0ef003c91e3f668`\n- `Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < d3f60a7fc291d08cd9192a3b4cd5d3a223fa7d02`\n- `Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 755bfc409748d8f3df64eb0eb26926270de3dd77`\n- `Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < e43ec0191c1630f41e7043ac729ea6f1b8044a7f`\n- `Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 08d2c069239ab425fdd333784a6a3b3e034e4aa0`\n- `Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < cbde7f5d326172d6dbb55cca0df42fa7e1ed8115`\n- `Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 0b01a946b0f234f5badd25968610b585a4895f08`\n- `Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 66f4300206b82b0b143ef0d9be90cd8d29f23a47`\n- `Linux 3.10`\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":[]}