{"api_version":"1","generated_at":"2026-08-15T08:44:32+00:00","cve":"CVE-2026-74358","urls":{"html":"https://cve.report/CVE-2026-74358","api":"https://cve.report/api/cve/CVE-2026-74358.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74358","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74358"},"summary":{"title":"ext4: fix fast commit wait/wake bit mapping on 64-bit","description":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix fast commit wait/wake bit mapping on 64-bit\n\nOn 64-bit, ext4 dynamic inode states live in the upper half of i_flags,\nand ext4_test_inode_state() applies the corresponding +32 offset.\n\nThe fast-commit wait and wake paths open-coded the wait key with the raw\nEXT4_STATE_* value. Add small helpers for the state wait word and bit,\nand use them for the FC_COMMITTING and FC_FLUSHING_DATA waits so the wait\nkey follows the same mapping as the state helpers.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:37","updated_at":"2026-08-15 06:22:37"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/8b3bc93fee6771775243665a0cf31857d6659775","name":"https://git.kernel.org/stable/c/8b3bc93fee6771775243665a0cf31857d6659775","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d06df6e447a8510f86db44b2522d5375362a9499","name":"https://git.kernel.org/stable/c/d06df6e447a8510f86db44b2522d5375362a9499","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e82d515092a0cf2bca92f399d5c330c324879cea","name":"https://git.kernel.org/stable/c/e82d515092a0cf2bca92f399d5c330c324879cea","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74358","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74358","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 857d32f2618166765ce9306a246d0745afc76859 e82d515092a0cf2bca92f399d5c330c324879cea git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 857d32f2618166765ce9306a246d0745afc76859 d06df6e447a8510f86db44b2522d5375362a9499 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 857d32f2618166765ce9306a246d0745afc76859 8b3bc93fee6771775243665a0cf31857d6659775 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.16","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.16 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/ext4/ext4.h","fs/ext4/fast_commit.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e82d515092a0cf2bca92f399d5c330c324879cea","status":"affected","version":"857d32f2618166765ce9306a246d0745afc76859","versionType":"git"},{"lessThan":"d06df6e447a8510f86db44b2522d5375362a9499","status":"affected","version":"857d32f2618166765ce9306a246d0745afc76859","versionType":"git"},{"lessThan":"8b3bc93fee6771775243665a0cf31857d6659775","status":"affected","version":"857d32f2618166765ce9306a246d0745afc76859","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/ext4/ext4.h","fs/ext4/fast_commit.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.16"},{"lessThan":"6.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"6.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"6.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"6.16","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix fast commit wait/wake bit mapping on 64-bit\n\nOn 64-bit, ext4 dynamic inode states live in the upper half of i_flags,\nand ext4_test_inode_state() applies the corresponding +32 offset.\n\nThe fast-commit wait and wake paths open-coded the wait key with the raw\nEXT4_STATE_* value. Add small helpers for the state wait word and bit,\nand use them for the FC_COMMITTING and FC_FLUSHING_DATA waits so the wait\nkey follows the same mapping as the state helpers."}],"providerMetadata":{"dateUpdated":"2026-08-15T05:58:42.789Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/e82d515092a0cf2bca92f399d5c330c324879cea"},{"url":"https://git.kernel.org/stable/c/d06df6e447a8510f86db44b2522d5375362a9499"},{"url":"https://git.kernel.org/stable/c/8b3bc93fee6771775243665a0cf31857d6659775"}],"title":"ext4: fix fast commit wait/wake bit mapping on 64-bit","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74358","datePublished":"2026-08-15T05:58:42.789Z","dateReserved":"2026-08-15T05:44:03.887Z","dateUpdated":"2026-08-15T05:58:42.789Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:37","lastModifiedDate":"2026-08-15 06:22:37","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74358","Ordinal":"1","Title":"ext4: fix fast commit wait/wake bit mapping on 64-bit","CVE":"CVE-2026-74358","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74358","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix fast commit wait/wake bit mapping on 64-bit\n\nOn 64-bit, ext4 dynamic inode states live in the upper half of i_flags,\nand ext4_test_inode_state() applies the corresponding +32 offset.\n\nThe fast-commit wait and wake paths open-coded the wait key with the raw\nEXT4_STATE_* value. Add small helpers for the state wait word and bit,\nand use them for the FC_COMMITTING and FC_FLUSHING_DATA waits so the wait\nkey follows the same mapping as the state helpers.","Type":"Description","Title":"ext4: fix fast commit wait/wake bit mapping on 64-bit"}]}}}