{"api_version":"1","generated_at":"2026-10-24T20:40:00+00:00","cve":"CVE-2026-98576","urls":{"html":"https://cve.report/CVE-2026-98576","api":"https://cve.report/api/cve/CVE-2026-98576.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98576","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98576"},"summary":{"title":"nfc: llcp: fix slab-out-of-bounds reads when logging service names","description":"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() 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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-10-18 16:17:09","updated_at":"2026-10-19 10:19:16"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/6d4ca872830e46fcca9c086bf19fa9bd2faf09d2","name":"https://git.kernel.org/stable/c/6d4ca872830e46fcca9c086bf19fa9bd2faf09d2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a143f7835faa4fe0178448289feea4f84eeee8d6","name":"https://git.kernel.org/stable/c/a143f7835faa4fe0178448289feea4f84eeee8d6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7dcf371a35632f035baf77bcf2c129165f772ce4","name":"https://git.kernel.org/stable/c/7dcf371a35632f035baf77bcf2c129165f772ce4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/75bfd9ef4da2fb49dac1f19880d2ac4ccd07b45b","name":"https://git.kernel.org/stable/c/75bfd9ef4da2fb49dac1f19880d2ac4ccd07b45b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/75f7c5a42fa1483f5912279a749417c284ad708f","name":"https://git.kernel.org/stable/c/75f7c5a42fa1483f5912279a749417c284ad708f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4262b12277a3e056c95fc49e9c4d7bd97035d16c","name":"https://git.kernel.org/stable/c/4262b12277a3e056c95fc49e9c4d7bd97035d16c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8afb6c194f5781798d3ab3edf243cf5a24a9d1f9","name":"https://git.kernel.org/stable/c/8afb6c194f5781798d3ab3edf243cf5a24a9d1f9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8978dff632519712d1fa432991e1f2e857f90239","name":"https://git.kernel.org/stable/c/8978dff632519712d1fa432991e1f2e857f90239","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98576","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98576","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d9b8d8e19b073096d3609bbd60f82148d128b555 75f7c5a42fa1483f5912279a749417c284ad708f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d9b8d8e19b073096d3609bbd60f82148d128b555 6d4ca872830e46fcca9c086bf19fa9bd2faf09d2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d9b8d8e19b073096d3609bbd60f82148d128b555 a143f7835faa4fe0178448289feea4f84eeee8d6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d9b8d8e19b073096d3609bbd60f82148d128b555 75bfd9ef4da2fb49dac1f19880d2ac4ccd07b45b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/nfc/llcp_commands.c","net/nfc/llcp_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"75f7c5a42fa1483f5912279a749417c284ad708f","status":"affected","version":"d9b8d8e19b073096d3609bbd60f82148d128b555","versionType":"git"},{"lessThan":"6d4ca872830e46fcca9c086bf19fa9bd2faf09d2","status":"affected","version":"d9b8d8e19b073096d3609bbd60f82148d128b555","versionType":"git"},{"lessThan":"a143f7835faa4fe0178448289feea4f84eeee8d6","status":"affected","version":"d9b8d8e19b073096d3609bbd60f82148d128b555","versionType":"git"},{"lessThan":"75bfd9ef4da2fb49dac1f19880d2ac4ccd07b45b","status":"affected","version":"d9b8d8e19b073096d3609bbd60f82148d128b555","versionType":"git"},{"lessThan":"8afb6c194f5781798d3ab3edf243cf5a24a9d1f9","status":"affected","version":"d9b8d8e19b073096d3609bbd60f82148d128b555","versionType":"git"},{"lessThan":"8978dff632519712d1fa432991e1f2e857f90239","status":"affected","version":"d9b8d8e19b073096d3609bbd60f82148d128b555","versionType":"git"},{"lessThan":"4262b12277a3e056c95fc49e9c4d7bd97035d16c","status":"affected","version":"d9b8d8e19b073096d3609bbd60f82148d128b555","versionType":"git"},{"lessThan":"7dcf371a35632f035baf77bcf2c129165f772ce4","status":"affected","version":"d9b8d8e19b073096d3609bbd60f82148d128b555","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/nfc/llcp_commands.c","net/nfc/llcp_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.10"},{"lessThan":"3.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.271","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.222","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.189","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.158","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.112","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.55","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.271","versionStartIncluding":"3.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.222","versionStartIncluding":"3.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.189","versionStartIncluding":"3.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.158","versionStartIncluding":"3.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.112","versionStartIncluding":"3.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.55","versionStartIncluding":"3.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.9","versionStartIncluding":"3.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"3.10","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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() 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."}],"providerMetadata":{"dateUpdated":"2026-10-19T09:22:01.670Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"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"}],"title":"nfc: llcp: fix slab-out-of-bounds reads when logging service names","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98576","datePublished":"2026-10-18T15:18:41.629Z","dateReserved":"2026-09-25T10:25:14.358Z","dateUpdated":"2026-10-19T09:22:01.670Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-18 16:17:09","lastModifiedDate":"2026-10-19 10:19:16","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98576","Ordinal":"1","Title":"nfc: llcp: fix slab-out-of-bounds reads when logging service nam","CVE":"CVE-2026-98576","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98576","Ordinal":"1","NoteData":"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() 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.","Type":"Description","Title":"nfc: llcp: fix slab-out-of-bounds reads when logging service nam"}]}}}