{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2026-100074","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2026-09-25T14:17:13.973","lastModified":"2026-10-21T13:18:26.940","vulnStatus":"Undergoing Analysis","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Mark bpf_refcount field as unique\n\nBPF_REFCOUNT is not marked as a unique field, while it should be. Fix\nthis oversight."}],"affected":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","affectedData":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["kernel/bpf/btf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"d54730b50bae1f3119bd686d551d66f0fcc387ca","lessThan":"015f9fbcf3382c5eb563a157ee8cabb6fbfcfe5e","versionType":"git","status":"affected"},{"version":"d54730b50bae1f3119bd686d551d66f0fcc387ca","lessThan":"20b3c72c1b83054c568d2322a95e217fdc281bc3","versionType":"git","status":"affected"},{"version":"d54730b50bae1f3119bd686d551d66f0fcc387ca","lessThan":"e42cede6f90177f4f92f80d3de18f628e61d2087","versionType":"git","status":"affected"},{"version":"d54730b50bae1f3119bd686d551d66f0fcc387ca","lessThan":"641f814965d733936ca3618d4d5a12a8fa9be00e","versionType":"git","status":"affected"},{"version":"d54730b50bae1f3119bd686d551d66f0fcc387ca","lessThan":"61e655391cb19c31f94ecd4354f624c81ce4cf75","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["kernel/bpf/btf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"6.4","status":"affected"},{"version":"0","lessThan":"6.4","versionType":"semver","status":"unaffected"},{"version":"6.6.160","lessThanOrEqual":"6.6.*","versionType":"semver","status":"unaffected"},{"version":"6.12.114","lessThanOrEqual":"6.12.*","versionType":"semver","status":"unaffected"},{"version":"6.18.52","lessThanOrEqual":"6.18.*","versionType":"semver","status":"unaffected"},{"version":"7.2.6","lessThanOrEqual":"7.2.*","versionType":"semver","status":"unaffected"},{"version":"7.3","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]}],"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:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.18.52","matchCriteriaId":"9C6C18F7-53D9-4D9A-8F89-C81548A57ADF"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"7.2.6","matchCriteriaId":"BAFE7055-A65A-44F4-BD4B-BF067EAE17F3"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/015f9fbcf3382c5eb563a157ee8cabb6fbfcfe5e","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/20b3c72c1b83054c568d2322a95e217fdc281bc3","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/61e655391cb19c31f94ecd4354f624c81ce4cf75","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/641f814965d733936ca3618d4d5a12a8fa9be00e","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/e42cede6f90177f4f92f80d3de18f628e61d2087","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}