{"schema":"threatline.record/2","record":{"id":"CVE-2026-98834","aliases":[],"summary":"mtd: core: avoid double-free of OTP NVMEM device","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: core: avoid double-free of OTP NVMEM device\n\nIf factory OTP setup fails after the user OTP NVMEM device has been\nregistered, mtd_otp_nvmem_add() unregisters the user device but leaves\nmtd->otp_user_nvmem set. On an error, the caller unregisters it again.\nFor -EOPNOTSUPP, registration continues and normal teardown unregisters\nit again.\n\nClear mtd->otp_user_nvmem after unregistering it.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98834","source_modified_at":"2026-10-19T09:26:26.676Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"e0489f6e221f5ddee6cb3bd51b992b790c5fa4b9","lessThan":"cecf007418b93a2cbc94269e07fe2fb28f54d8fb","status":"affected","versionType":"git"},{"version":"e0489f6e221f5ddee6cb3bd51b992b790c5fa4b9","lessThan":"26300879cd8e4612dce66bb8f6ff7cd35fcf3e59","status":"affected","versionType":"git"},{"version":"6d1af517817a760d7af3dee0fc4603645485495c","status":"affected","versionType":"git"},{"version":"f1b4affca1e13706ca2eb075bf6775421236d7d1","status":"affected","versionType":"git"},{"version":"949476b8601bde5459048eebdf457c9db20addd8","status":"affected","versionType":"git"},{"version":"dd6c85f98ff33b009b819090268cbf679dc208b9","status":"affected","versionType":"git"},{"version":"5.15.111","lessThan":"5.16","status":"affected","versionType":"semver"},{"version":"6.1.28","lessThan":"6.2","status":"affected","versionType":"semver"},{"version":"6.2.15","lessThan":"6.3","status":"affected","versionType":"semver"},{"version":"6.3.2","lessThan":"6.4","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98834","source_modified_at":"2026-10-19T09:26:26.676Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"6.4","status":"affected"},{"version":"0","lessThan":"6.4","status":"unaffected","versionType":"semver"},{"version":"7.2.10","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98834","source_modified_at":"2026-10-19T09:26:26.676Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"26300879cd8e4612dce66bb8f6ff7cd35fcf3e59","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98834","source_modified_at":"2026-10-19T09:26:26.676Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"5.16","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98834","source_modified_at":"2026-10-19T09:26:26.676Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"6.2","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98834","source_modified_at":"2026-10-19T09:26:26.676Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"6.3","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98834","source_modified_at":"2026-10-19T09:26:26.676Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"6.4","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00155,"percentile":0.04318,"score_date":"2026-10-23"},"published_at":"2026-10-18T15:49:46.003Z","modified_at":"2026-10-19T09:26:26.676Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98834","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:26:26.676Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98834","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/cecf007418b93a2cbc94269e07fe2fb28f54d8fb"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/26300879cd8e4612dce66bb8f6ff7cd35fcf3e59"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-19T09:26:26.676Z","content_hash":"bfa9aa2510c1aadb0a048898fea6f5f9699542871288adda4320fa6dd16617c5"}}