{"api_version":"1","generated_at":"2026-06-14T19:28:58+00:00","cve":"CVE-2026-46087","urls":{"html":"https://cve.report/CVE-2026-46087","api":"https://cve.report/api/cve/CVE-2026-46087.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46087","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46087"},"summary":{"title":"mm/damon/stat: fix memory leak on damon_start() failure in damon_stat_start()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/stat: fix memory leak on damon_start() failure in damon_stat_start()\n\nDestroy the DAMON context and reset the global pointer when damon_start()\nfails.  Otherwise, the context allocated by damon_stat_build_ctx() is\nleaked, and the stale damon_stat_context pointer will be overwritten on\nthe next enable attempt, making the old allocation permanently\nunreachable.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-27 14:17:30","updated_at":"2026-05-27 14:48:03"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/8a62c58411cbd748d7aeab0e5b0963e33ff47a7a","name":"https://git.kernel.org/stable/c/8a62c58411cbd748d7aeab0e5b0963e33ff47a7a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/50bc1d7e0f3bb6932c8dc5da0907eead0790176b","name":"https://git.kernel.org/stable/c/50bc1d7e0f3bb6932c8dc5da0907eead0790176b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e04ed278d25bf15769800bf6e35c6737f137186f","name":"https://git.kernel.org/stable/c/e04ed278d25bf15769800bf6e35c6737f137186f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-46087","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46087","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 369c415e60732b7c8ed33368891581246f580d7a 8a62c58411cbd748d7aeab0e5b0963e33ff47a7a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 369c415e60732b7c8ed33368891581246f580d7a 50bc1d7e0f3bb6932c8dc5da0907eead0790176b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 369c415e60732b7c8ed33368891581246f580d7a e04ed278d25bf15769800bf6e35c6737f137186f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.17","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.17 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.27 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.4 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"46087","cve":"CVE-2026-46087","epss":"0.000170000","percentile":"0.042650000","score_date":"2026-06-01","updated_at":"2026-06-02 00:05:21"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["mm/damon/stat.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"8a62c58411cbd748d7aeab0e5b0963e33ff47a7a","status":"affected","version":"369c415e60732b7c8ed33368891581246f580d7a","versionType":"git"},{"lessThan":"50bc1d7e0f3bb6932c8dc5da0907eead0790176b","status":"affected","version":"369c415e60732b7c8ed33368891581246f580d7a","versionType":"git"},{"lessThan":"e04ed278d25bf15769800bf6e35c6737f137186f","status":"affected","version":"369c415e60732b7c8ed33368891581246f580d7a","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["mm/damon/stat.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.27","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.27","versionStartIncluding":"6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.4","versionStartIncluding":"6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1-rc1","versionStartIncluding":"6.17","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/stat: fix memory leak on damon_start() failure in damon_stat_start()\n\nDestroy the DAMON context and reset the global pointer when damon_start()\nfails.  Otherwise, the context allocated by damon_stat_build_ctx() is\nleaked, and the stale damon_stat_context pointer will be overwritten on\nthe next enable attempt, making the old allocation permanently\nunreachable."}],"providerMetadata":{"dateUpdated":"2026-05-27T12:58:30.611Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/8a62c58411cbd748d7aeab0e5b0963e33ff47a7a"},{"url":"https://git.kernel.org/stable/c/50bc1d7e0f3bb6932c8dc5da0907eead0790176b"},{"url":"https://git.kernel.org/stable/c/e04ed278d25bf15769800bf6e35c6737f137186f"}],"title":"mm/damon/stat: fix memory leak on damon_start() failure in damon_stat_start()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-46087","datePublished":"2026-05-27T12:58:30.611Z","dateReserved":"2026-05-13T15:03:33.096Z","dateUpdated":"2026-05-27T12:58:30.611Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-27 14:17:30","lastModifiedDate":"2026-05-27 14:48:03","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"46087","Ordinal":"1","Title":"mm/damon/stat: fix memory leak on damon_start() failure in damon","CVE":"CVE-2026-46087","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"46087","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/stat: fix memory leak on damon_start() failure in damon_stat_start()\n\nDestroy the DAMON context and reset the global pointer when damon_start()\nfails.  Otherwise, the context allocated by damon_stat_build_ctx() is\nleaked, and the stale damon_stat_context pointer will be overwritten on\nthe next enable attempt, making the old allocation permanently\nunreachable.","Type":"Description","Title":"mm/damon/stat: fix memory leak on damon_start() failure in damon"}]}}}