{"api_version":"1","generated_at":"2026-07-23T12:00:51+00:00","cve":"CVE-2025-21735","urls":{"html":"https://cve.report/CVE-2025-21735","api":"https://cve.report/api/cve/CVE-2025-21735.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-21735","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-21735"},"summary":{"title":"NFC: nci: Add bounds checking in nci_hci_create_pipe()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nNFC: nci: Add bounds checking in nci_hci_create_pipe()\n\nThe \"pipe\" variable is a u8 which comes from the network.  If it's more\nthan 127, then it results in memory corruption in the caller,\nnci_hci_connect_gate().","state":"PUBLISHED","assigner":"Linux","published_at":"2025-02-27 03:15:14","updated_at":"2026-05-12 13:16:34"},"problem_types":["CWE-787"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html","name":"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/59c7ed20217c0939862fbf8145bc49d5b3a13f4f","name":"https://git.kernel.org/stable/c/59c7ed20217c0939862fbf8145bc49d5b3a13f4f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2ae4bade5a64d126bd18eb66bd419005c5550218","name":"https://git.kernel.org/stable/c/2ae4bade5a64d126bd18eb66bd419005c5550218","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","name":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","refsource":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bd249109d266f1d52548c46634a15b71656e0d44","name":"https://git.kernel.org/stable/c/bd249109d266f1d52548c46634a15b71656e0d44","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d5a461c315e5ff92657f84d8ba50caa5abf5c22a","name":"https://git.kernel.org/stable/c/d5a461c315e5ff92657f84d8ba50caa5abf5c22a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/172cdfc3a5ea20289c58fb73dadc6fd4a8784a4e","name":"https://git.kernel.org/stable/c/172cdfc3a5ea20289c58fb73dadc6fd4a8784a4e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/110b43ef05342d5a11284cc8b21582b698b4ef1c","name":"https://git.kernel.org/stable/c/110b43ef05342d5a11284cc8b21582b698b4ef1c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/674e17c5933779a8bf5c15d596fdfcb5ccdebbc2","name":"https://git.kernel.org/stable/c/674e17c5933779a8bf5c15d596fdfcb5ccdebbc2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html","name":"https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/10b3f947b609713e04022101f492d288a014ddfa","name":"https://git.kernel.org/stable/c/10b3f947b609713e04022101f492d288a014ddfa","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-21735","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21735","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a1b0b9415817c14d207921582f269d03f848b69f bd249109d266f1d52548c46634a15b71656e0d44 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a1b0b9415817c14d207921582f269d03f848b69f 674e17c5933779a8bf5c15d596fdfcb5ccdebbc2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a1b0b9415817c14d207921582f269d03f848b69f 10b3f947b609713e04022101f492d288a014ddfa git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a1b0b9415817c14d207921582f269d03f848b69f d5a461c315e5ff92657f84d8ba50caa5abf5c22a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a1b0b9415817c14d207921582f269d03f848b69f 172cdfc3a5ea20289c58fb73dadc6fd4a8784a4e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a1b0b9415817c14d207921582f269d03f848b69f 2ae4bade5a64d126bd18eb66bd419005c5550218 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a1b0b9415817c14d207921582f269d03f848b69f 59c7ed20217c0939862fbf8145bc49d5b3a13f4f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a1b0b9415817c14d207921582f269d03f848b69f 110b43ef05342d5a11284cc8b21582b698b4ef1c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.4","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.4 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.4.291 5.4.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.235 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.179 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.129 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.78 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.14 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.13.3 6.13.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.14 * original_commit_for_fix","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem","version":"affected * custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2025","cve_id":"21735","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2025-11-03T19:36:40.328Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html"}],"title":"CVE Program Container"},{"affected":[{"defaultStatus":"unknown","product":"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"0","versionType":"custom"}]}],"providerMetadata":{"dateUpdated":"2026-05-12T12:03:33.287Z","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP"},"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html"}],"x_adpType":"supplier"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/nfc/nci/hci.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"bd249109d266f1d52548c46634a15b71656e0d44","status":"affected","version":"a1b0b9415817c14d207921582f269d03f848b69f","versionType":"git"},{"lessThan":"674e17c5933779a8bf5c15d596fdfcb5ccdebbc2","status":"affected","version":"a1b0b9415817c14d207921582f269d03f848b69f","versionType":"git"},{"lessThan":"10b3f947b609713e04022101f492d288a014ddfa","status":"affected","version":"a1b0b9415817c14d207921582f269d03f848b69f","versionType":"git"},{"lessThan":"d5a461c315e5ff92657f84d8ba50caa5abf5c22a","status":"affected","version":"a1b0b9415817c14d207921582f269d03f848b69f","versionType":"git"},{"lessThan":"172cdfc3a5ea20289c58fb73dadc6fd4a8784a4e","status":"affected","version":"a1b0b9415817c14d207921582f269d03f848b69f","versionType":"git"},{"lessThan":"2ae4bade5a64d126bd18eb66bd419005c5550218","status":"affected","version":"a1b0b9415817c14d207921582f269d03f848b69f","versionType":"git"},{"lessThan":"59c7ed20217c0939862fbf8145bc49d5b3a13f4f","status":"affected","version":"a1b0b9415817c14d207921582f269d03f848b69f","versionType":"git"},{"lessThan":"110b43ef05342d5a11284cc8b21582b698b4ef1c","status":"affected","version":"a1b0b9415817c14d207921582f269d03f848b69f","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/nfc/nci/hci.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.4"},{"lessThan":"4.4","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.4.*","status":"unaffected","version":"5.4.291","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.235","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.179","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.129","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.78","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.14","versionType":"semver"},{"lessThanOrEqual":"6.13.*","status":"unaffected","version":"6.13.3","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.14","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.4.291","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.235","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.179","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.129","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.78","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.14","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.13.3","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.14","versionStartIncluding":"4.4","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nNFC: nci: Add bounds checking in nci_hci_create_pipe()\n\nThe \"pipe\" variable is a u8 which comes from the network.  If it's more\nthan 127, then it results in memory corruption in the caller,\nnci_hci_connect_gate()."}],"providerMetadata":{"dateUpdated":"2026-05-11T21:05:25.663Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/bd249109d266f1d52548c46634a15b71656e0d44"},{"url":"https://git.kernel.org/stable/c/674e17c5933779a8bf5c15d596fdfcb5ccdebbc2"},{"url":"https://git.kernel.org/stable/c/10b3f947b609713e04022101f492d288a014ddfa"},{"url":"https://git.kernel.org/stable/c/d5a461c315e5ff92657f84d8ba50caa5abf5c22a"},{"url":"https://git.kernel.org/stable/c/172cdfc3a5ea20289c58fb73dadc6fd4a8784a4e"},{"url":"https://git.kernel.org/stable/c/2ae4bade5a64d126bd18eb66bd419005c5550218"},{"url":"https://git.kernel.org/stable/c/59c7ed20217c0939862fbf8145bc49d5b3a13f4f"},{"url":"https://git.kernel.org/stable/c/110b43ef05342d5a11284cc8b21582b698b4ef1c"}],"title":"NFC: nci: Add bounds checking in nci_hci_create_pipe()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2025-21735","datePublished":"2025-02-27T02:12:12.202Z","dateReserved":"2024-12-29T08:45:45.756Z","dateUpdated":"2026-05-12T12:03:33.287Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-02-27 03:15:14","lastModifiedDate":"2026-05-12 13:16:34","problem_types":["CWE-787"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"6.1.129","matchCriteriaId":"AD0077D1-9437-4FCC-9E03-7E13D6F0A533"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.78","matchCriteriaId":"0C58261F-EDFB-4A12-8CCD-F12101482030"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.14","matchCriteriaId":"033BB7EE-C9A2-45EA-BAC9-87BB9D951BCD"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.13.3","matchCriteriaId":"0E92CEE3-1FC3-4AFC-A513-DEDBA7414F00"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2025","CveId":"21735","Ordinal":"1","Title":"NFC: nci: Add bounds checking in nci_hci_create_pipe()","CVE":"CVE-2025-21735","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"21735","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nNFC: nci: Add bounds checking in nci_hci_create_pipe()\n\nThe \"pipe\" variable is a u8 which comes from the network.  If it's more\nthan 127, then it results in memory corruption in the caller,\nnci_hci_connect_gate().","Type":"Description","Title":"NFC: nci: Add bounds checking in nci_hci_create_pipe()"}]}}}