{"id":"CVE-2026-80803","state":"PUBLISHED","title":"nfc: digital: clamp SENSF_RES length to the destination buffer","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: digital: clamp SENSF_RES length to the destination buffer\n\ndigital_in_recv_sensf_res() memcpy()s resp->len bytes from a remote\nNFC-F device response into the NFC_SENSF_RES_MAXSIZE-byte target.sensf_res\nfield without an upper-bound check. A nearby malicious NFC-F device can\nsend an oversized SENSF_RES response to overflow the stack-local struct\nnfc_target.\n\nClamp resp->len to NFC_SENSF_RES_MAXSIZE before the copy.\n\nFound by 0sec automated security-research tooling (https://0sec.ai).","publishedAt":"2026-09-04T15:13:17.298Z","updatedAt":"2026-10-19T08:43:56.485Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8c0695e4998dd268ff2a05951961247b7e015651","status":"affected","lessThan":"6afb29751ee731e7f7a96feb8a15f91441e552ba","versionType":"git"},{"version":"8c0695e4998dd268ff2a05951961247b7e015651","status":"affected","lessThan":"e886c63d2ca7108826076989103a1ffa8a0bb8f4","versionType":"git"},{"version":"8c0695e4998dd268ff2a05951961247b7e015651","status":"affected","lessThan":"4e942da2869bcd646353eef706b7dd82efeb9db5","versionType":"git"},{"version":"8c0695e4998dd268ff2a05951961247b7e015651","status":"affected","lessThan":"d0756a98277e383c26fead988a96c91f0781cd7f","versionType":"git"},{"version":"8c0695e4998dd268ff2a05951961247b7e015651","status":"affected","lessThan":"af4c0606f743e009254a8d252096855335ade85d","versionType":"git"},{"version":"8c0695e4998dd268ff2a05951961247b7e015651","status":"affected","lessThan":"a56773e649ea99b344d6bbaf90f34c8e3fadef5d","versionType":"git"},{"version":"8c0695e4998dd268ff2a05951961247b7e015651","status":"affected","lessThan":"a1ef9bddfbb3ae42b036c5aa16cf386d78db70b6","versionType":"git"},{"version":"8c0695e4998dd268ff2a05951961247b7e015651","status":"affected","lessThan":"31aa28ed732f66ab83c40ef53d99791be69b85c4","versionType":"git"},{"version":"8c0695e4998dd268ff2a05951961247b7e015651","status":"affected","lessThan":"344a56d7c8e0f3cbaff0bcb1bcd95a1a1db24b16","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/nfc/digital_technology.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.13","versionType":"semver"},{"version":"5.10.267","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.218","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.185","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.154","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.106","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.47","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.11","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2.1","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/nfc/digital_technology.c"]}],"references":["https://git.kernel.org/stable/c/6afb29751ee731e7f7a96feb8a15f91441e552ba","https://git.kernel.org/stable/c/e886c63d2ca7108826076989103a1ffa8a0bb8f4","https://git.kernel.org/stable/c/4e942da2869bcd646353eef706b7dd82efeb9db5","https://git.kernel.org/stable/c/d0756a98277e383c26fead988a96c91f0781cd7f","https://git.kernel.org/stable/c/af4c0606f743e009254a8d252096855335ade85d","https://git.kernel.org/stable/c/a56773e649ea99b344d6bbaf90f34c8e3fadef5d","https://git.kernel.org/stable/c/a1ef9bddfbb3ae42b036c5aa16cf386d78db70b6","https://git.kernel.org/stable/c/31aa28ed732f66ab83c40ef53d99791be69b85c4","https://git.kernel.org/stable/c/344a56d7c8e0f3cbaff0bcb1bcd95a1a1db24b16"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/80xxx/CVE-2026-80803.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80803","state":"PUBLISHED","datePublished":"2026-09-04T15:13:17.298Z","dateUpdated":"2026-10-19T08:43:56.485Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-26T14:34:25.794Z"},"containers":{"cna":{"title":"nfc: digital: clamp SENSF_RES length to the destination buffer","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: digital: clamp SENSF_RES length to the destination buffer\n\ndigital_in_recv_sensf_res() memcpy()s resp->len bytes from a remote\nNFC-F device response into the NFC_SENSF_RES_MAXSIZE-byte target.sensf_res\nfield without an upper-bound check. A nearby malicious NFC-F device can\nsend an oversized SENSF_RES response to overflow the stack-local struct\nnfc_target.\n\nClamp resp->len to NFC_SENSF_RES_MAXSIZE before the copy.\n\nFound by 0sec automated security-research tooling (https://0sec.ai)."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8c0695e4998dd268ff2a05951961247b7e015651","status":"affected","lessThan":"6afb29751ee731e7f7a96feb8a15f91441e552ba","versionType":"git"},{"version":"8c0695e4998dd268ff2a05951961247b7e015651","status":"affected","lessThan":"e886c63d2ca7108826076989103a1ffa8a0bb8f4","versionType":"git"},{"version":"8c0695e4998dd268ff2a05951961247b7e015651","status":"affected","lessThan":"4e942da2869bcd646353eef706b7dd82efeb9db5","versionType":"git"},{"version":"8c0695e4998dd268ff2a05951961247b7e015651","status":"affected","lessThan":"d0756a98277e383c26fead988a96c91f0781cd7f","versionType":"git"},{"version":"8c0695e4998dd268ff2a05951961247b7e015651","status":"affected","lessThan":"af4c0606f743e009254a8d252096855335ade85d","versionType":"git"},{"version":"8c0695e4998dd268ff2a05951961247b7e015651","status":"affected","lessThan":"a56773e649ea99b344d6bbaf90f34c8e3fadef5d","versionType":"git"},{"version":"8c0695e4998dd268ff2a05951961247b7e015651","status":"affected","lessThan":"a1ef9bddfbb3ae42b036c5aa16cf386d78db70b6","versionType":"git"},{"version":"8c0695e4998dd268ff2a05951961247b7e015651","status":"affected","lessThan":"31aa28ed732f66ab83c40ef53d99791be69b85c4","versionType":"git"},{"version":"8c0695e4998dd268ff2a05951961247b7e015651","status":"affected","lessThan":"344a56d7c8e0f3cbaff0bcb1bcd95a1a1db24b16","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/nfc/digital_technology.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.13","versionType":"semver"},{"version":"5.10.267","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.218","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.185","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.154","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.106","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.47","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.11","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2.1","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/nfc/digital_technology.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/6afb29751ee731e7f7a96feb8a15f91441e552ba"},{"url":"https://git.kernel.org/stable/c/e886c63d2ca7108826076989103a1ffa8a0bb8f4"},{"url":"https://git.kernel.org/stable/c/4e942da2869bcd646353eef706b7dd82efeb9db5"},{"url":"https://git.kernel.org/stable/c/d0756a98277e383c26fead988a96c91f0781cd7f"},{"url":"https://git.kernel.org/stable/c/af4c0606f743e009254a8d252096855335ade85d"},{"url":"https://git.kernel.org/stable/c/a56773e649ea99b344d6bbaf90f34c8e3fadef5d"},{"url":"https://git.kernel.org/stable/c/a1ef9bddfbb3ae42b036c5aa16cf386d78db70b6"},{"url":"https://git.kernel.org/stable/c/31aa28ed732f66ab83c40ef53d99791be69b85c4"},{"url":"https://git.kernel.org/stable/c/344a56d7c8e0f3cbaff0bcb1bcd95a1a1db24b16"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:43:56.485Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"5.10.267"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"5.15.218"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"6.1.185"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"6.6.154"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"6.12.106"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"6.18.47"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"7.1.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"7.2.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engin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