{"api_version":"1","generated_at":"2026-10-26T08:43:32+00:00","cve":"CVE-2026-89618","urls":{"html":"https://cve.report/CVE-2026-89618","api":"https://cve.report/api/cve/CVE-2026-89618.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-89618","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-89618"},"summary":{"title":"eventfs: Initialize ei->children and ei->list in init_ei()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\neventfs: Initialize ei->children and ei->list in init_ei()\n\neventfs_create_dir() allocates the eventfs_inode and initializes it with\ninit_ei(). But this does not initialize the eventfs_inode list_heads. If\nthe eventfs_create_dir() fails due to memory pressure, it will call\nfree_ei() before it initialized the lists, and that checks to make sure\nthe eventfs_inode has no children. But because the list wasn't\ninitialized, it will give a false warning.\n\nFix it by moving the list initialization into init_ei().\n\n[ Rewrote change log ]","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-11 20:19:47","updated_at":"2026-10-19 09:17:58"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/1704aaaf5d22bc765c168402350d191e24e245bc","name":"https://git.kernel.org/stable/c/1704aaaf5d22bc765c168402350d191e24e245bc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/76e0f85f650738d768449dbccbc7c55d05f5b609","name":"https://git.kernel.org/stable/c/76e0f85f650738d768449dbccbc7c55d05f5b609","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5333e18e6b425fcc39c7fea89e3949a2a98bc5e4","name":"https://git.kernel.org/stable/c/5333e18e6b425fcc39c7fea89e3949a2a98bc5e4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c480f8af173d5b19c6d9c4311df6bbe352face9e","name":"https://git.kernel.org/stable/c/c480f8af173d5b19c6d9c4311df6bbe352face9e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/069729282fbecfaa8a54062266c338ed23f08005","name":"https://git.kernel.org/stable/c/069729282fbecfaa8a54062266c338ed23f08005","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89618","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89618","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 35ee34c0f6d578c9d245438ca29bf2e7024a5a65 069729282fbecfaa8a54062266c338ed23f08005 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5790b1fb3d672d9a1fe3881a7181dfdbe741568f c480f8af173d5b19c6d9c4311df6bbe352face9e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5790b1fb3d672d9a1fe3881a7181dfdbe741568f 5333e18e6b425fcc39c7fea89e3949a2a98bc5e4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5790b1fb3d672d9a1fe3881a7181dfdbe741568f 76e0f85f650738d768449dbccbc7c55d05f5b609 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5790b1fb3d672d9a1fe3881a7181dfdbe741568f 1704aaaf5d22bc765c168402350d191e24e245bc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.6.18 6.6.157 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.7","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.7 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.157 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.109 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.50 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.4 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"89618","cve":"CVE-2026-89618","epss":"0.001750000","percentile":"0.072040000","score_date":"2026-09-14","updated_at":"2026-09-15 00:00:41"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/tracefs/event_inode.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"069729282fbecfaa8a54062266c338ed23f08005","status":"affected","version":"35ee34c0f6d578c9d245438ca29bf2e7024a5a65","versionType":"git"},{"lessThan":"c480f8af173d5b19c6d9c4311df6bbe352face9e","status":"affected","version":"5790b1fb3d672d9a1fe3881a7181dfdbe741568f","versionType":"git"},{"lessThan":"5333e18e6b425fcc39c7fea89e3949a2a98bc5e4","status":"affected","version":"5790b1fb3d672d9a1fe3881a7181dfdbe741568f","versionType":"git"},{"lessThan":"76e0f85f650738d768449dbccbc7c55d05f5b609","status":"affected","version":"5790b1fb3d672d9a1fe3881a7181dfdbe741568f","versionType":"git"},{"lessThan":"1704aaaf5d22bc765c168402350d191e24e245bc","status":"affected","version":"5790b1fb3d672d9a1fe3881a7181dfdbe741568f","versionType":"git"},{"lessThan":"6.6.157","status":"affected","version":"6.6.18","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/tracefs/event_inode.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.7"},{"lessThan":"6.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.109","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.50","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"6.6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.109","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.50","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.4","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"6.7","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\neventfs: Initialize ei->children and ei->list in init_ei()\n\neventfs_create_dir() allocates the eventfs_inode and initializes it with\ninit_ei(). But this does not initialize the eventfs_inode list_heads. If\nthe eventfs_create_dir() fails due to memory pressure, it will call\nfree_ei() before it initialized the lists, and that checks to make sure\nthe eventfs_inode has no children. But because the list wasn't\ninitialized, it will give a false warning.\n\nFix it by moving the list initialization into init_ei().\n\n[ Rewrote change log ]"}],"providerMetadata":{"dateUpdated":"2026-10-19T08:49:50.770Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/069729282fbecfaa8a54062266c338ed23f08005"},{"url":"https://git.kernel.org/stable/c/c480f8af173d5b19c6d9c4311df6bbe352face9e"},{"url":"https://git.kernel.org/stable/c/5333e18e6b425fcc39c7fea89e3949a2a98bc5e4"},{"url":"https://git.kernel.org/stable/c/76e0f85f650738d768449dbccbc7c55d05f5b609"},{"url":"https://git.kernel.org/stable/c/1704aaaf5d22bc765c168402350d191e24e245bc"}],"title":"eventfs: Initialize ei->children and ei->list in init_ei()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-89618","datePublished":"2026-09-11T19:45:17.397Z","dateReserved":"2026-09-11T19:38:34.736Z","dateUpdated":"2026-10-19T08:49:50.770Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-11 20:19:47","lastModifiedDate":"2026-10-19 09:17:58","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"89618","Ordinal":"1","Title":"eventfs: Initialize ei->children and ei->list in init_ei()","CVE":"CVE-2026-89618","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"89618","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\neventfs: Initialize ei->children and ei->list in init_ei()\n\neventfs_create_dir() allocates the eventfs_inode and initializes it with\ninit_ei(). But this does not initialize the eventfs_inode list_heads. If\nthe eventfs_create_dir() fails due to memory pressure, it will call\nfree_ei() before it initialized the lists, and that checks to make sure\nthe eventfs_inode has no children. But because the list wasn't\ninitialized, it will give a false warning.\n\nFix it by moving the list initialization into init_ei().\n\n[ Rewrote change log ]","Type":"Description","Title":"eventfs: Initialize ei->children and ei->list in init_ei()"}]}}}