{"id":"CVE-2026-100074","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-100074","generatedAt":"2026-10-28T04:49:34.841Z","title":"In the Linux kernel, the following vulnerability has been resolved: bpf: Mark bpf_refcount field as unique BPF_REFCOUNT is not marked as a unique field, while it should be.","description":"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.","published":"2026-09-25T14:17:14.000Z","lastModified":"2026-10-21T13:18:27.000Z","status":"Undergoing Analysis","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":[],"affected":["linux/linux kernel"],"epss":{"score":0.00155,"percentile":0.04609,"date":"2026-10-27","history":[{"date":"2026-09-26","score":0.00155,"percentile":0.03948}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.15%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-02T15:45:04.000Z","detail":{"from":null,"score":"5.5","severity":"MEDIUM","fromSeverity":null},"summary":"Now scored CVSS 5.5 MEDIUM."},{"kind":"new","label":"New CVE","at":"2026-09-25T14:17:14.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-09-25T14:17:13.973Z"},"summary":"New CVE, medium severity (CVSS 5.5)."}],"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","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/641f814965d733936ca3618d4d5a12a8fa9be00e","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e42cede6f90177f4f92f80d3de18f628e61d2087","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-100074","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}