{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98576","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-25T10:25:14.358Z","datePublished":"2026-10-18T15:18:41.629Z","dateUpdated":"2026-10-19T09:22:01.670Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-10-19T09:22:01.670Z"},"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/nfc/llcp_commands.c","net/nfc/llcp_core.c"],"versions":[{"version":"d9b8d8e19b073096d3609bbd60f82148d128b555","lessThan":"75f7c5a42fa1483f5912279a749417c284ad708f","status":"affected","versionType":"git"},{"version":"d9b8d8e19b073096d3609bbd60f82148d128b555","lessThan":"6d4ca872830e46fcca9c086bf19fa9bd2faf09d2","status":"affected","versionType":"git"},{"version":"d9b8d8e19b073096d3609bbd60f82148d128b555","lessThan":"a143f7835faa4fe0178448289feea4f84eeee8d6","status":"affected","versionType":"git"},{"version":"d9b8d8e19b073096d3609bbd60f82148d128b555","lessThan":"75bfd9ef4da2fb49dac1f19880d2ac4ccd07b45b","status":"affected","versionType":"git"},{"version":"d9b8d8e19b073096d3609bbd60f82148d128b555","lessThan":"8afb6c194f5781798d3ab3edf243cf5a24a9d1f9","status":"affected","versionType":"git"},{"version":"d9b8d8e19b073096d3609bbd60f82148d128b555","lessThan":"8978dff632519712d1fa432991e1f2e857f90239","status":"affected","versionType":"git"},{"version":"d9b8d8e19b073096d3609bbd60f82148d128b555","lessThan":"4262b12277a3e056c95fc49e9c4d7bd97035d16c","status":"affected","versionType":"git"},{"version":"d9b8d8e19b073096d3609bbd60f82148d128b555","lessThan":"7dcf371a35632f035baf77bcf2c129165f772ce4","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/nfc/llcp_commands.c","net/nfc/llcp_core.c"],"versions":[{"version":"3.10","status":"affected"},{"version":"0","lessThan":"3.10","status":"unaffected","versionType":"semver"},{"version":"5.10.271","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.222","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.189","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.158","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.112","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.55","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.9","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.10.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.18.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"7.2.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"7.3"}]}]}],"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"}}}}