{"id":"CVE-2026-98576","title":"nfc: llcp: fix slab-out-of-bounds reads when logging service names","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: llcp: fix slab-out-of-bounds reads when logging service names\n\nnfc_llcp_wks_sap() and nfc_llcp_build_sdreq_tlv() pass non-null-\nterminated strings to pr_debug() us…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 75f7c5a42fa1483f5912279a749417c284ad708f","Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 6d4ca872830e46fcca9c086bf19fa9bd2faf09d2","Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < a143f7835faa4fe0178448289feea4f84eeee8d6","Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 75bfd9ef4da2fb49dac1f19880d2ac4ccd07b45b","Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 8afb6c194f5781798d3ab3edf243cf5a24a9d1f9","Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 8978dff632519712d1fa432991e1f2e857f90239","Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 4262b12277a3e056c95fc49e9c4d7bd97035d16c","Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 7dcf371a35632f035baf77bcf2c129165f772ce4","Linux 3.10"],"published":"2026-10-18","updated":"2026-10-18","sourceUpdated":"2026-10-18T15:18:41.629Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98576","references":[{"url":"https://git.kernel.org/stable/c/75f7c5a42fa1483f5912279a749417c284ad708f"},{"url":"https://git.kernel.org/stable/c/6d4ca872830e46fcca9c086bf19fa9bd2faf09d2"},{"url":"https://git.kernel.org/stable/c/a143f7835faa4fe0178448289feea4f84eeee8d6"},{"url":"https://git.kernel.org/stable/c/75bfd9ef4da2fb49dac1f19880d2ac4ccd07b45b"},{"url":"https://git.kernel.org/stable/c/8afb6c194f5781798d3ab3edf243cf5a24a9d1f9"},{"url":"https://git.kernel.org/stable/c/8978dff632519712d1fa432991e1f2e857f90239"},{"url":"https://git.kernel.org/stable/c/4262b12277a3e056c95fc49e9c4d7bd97035d16c"},{"url":"https://git.kernel.org/stable/c/7dcf371a35632f035baf77bcf2c129165f772ce4"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T15:45:12.255Z","slug":"CVE-2026-98576","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnfc: llcp: fix slab-out-of-bounds reads when logging service names\n\nnfc_llcp_wks_sap() and nfc_llcp_build_sdreq_tlv() pass non-null-\nterminated strings to pr_debug() using the %s format specifier.\nThe buffers are allocated via kmemdup() or come from netlink\nattributes and are not guaranteed to be null-terminated, causing\n__dynamic_pr_debug() to read beyond the allocated region:\n\n  KASAN: slab-out-of-bounds Read in __dynamic_pr_debug\n\nFix both call sites by using %.*s with the explicit length to limit\nthe output to the actual length of the string.\n\n## Affected\n\n- `Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 75f7c5a42fa1483f5912279a749417c284ad708f`\n- `Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 6d4ca872830e46fcca9c086bf19fa9bd2faf09d2`\n- `Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < a143f7835faa4fe0178448289feea4f84eeee8d6`\n- `Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 75bfd9ef4da2fb49dac1f19880d2ac4ccd07b45b`\n- `Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 8afb6c194f5781798d3ab3edf243cf5a24a9d1f9`\n- `Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 8978dff632519712d1fa432991e1f2e857f90239`\n- `Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 4262b12277a3e056c95fc49e9c4d7bd97035d16c`\n- `Linux >= d9b8d8e19b073096d3609bbd60f82148d128b555 < 7dcf371a35632f035baf77bcf2c129165f772ce4`\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":[]}