{"api_version":"1","generated_at":"2026-08-15T08:44:32+00:00","cve":"CVE-2026-74362","urls":{"html":"https://cve.report/CVE-2026-74362","api":"https://cve.report/api/cve/CVE-2026-74362.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74362","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74362"},"summary":{"title":"ext2: fix ignored return value of generic_write_sync()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\next2: fix ignored return value of generic_write_sync()\n\nFix ext2_dio_write_iter() to propagate the error returned by\ngeneric_write_sync() instead of silently discarding it, which could\ncause write(2) to return success to userspace on O_SYNC/O_DSYNC files\neven when the sync failed.\n\nThe correct pattern, already used in ext2_dax_write_iter() in the same\nfile and in ext4, xfs, f2fs among others, is:\n    if (ret > 0)\n        ret = generic_write_sync(iocb, ret);\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.\n\n[JK: Reflect also filemap_write_and_wait() return value]","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/8d70b3973020e59845c0bdad90e0b9c2295fd493","name":"https://git.kernel.org/stable/c/8d70b3973020e59845c0bdad90e0b9c2295fd493","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b6bc07e49a5fbb335f56eb90cd63dec6584c77d3","name":"https://git.kernel.org/stable/c/b6bc07e49a5fbb335f56eb90cd63dec6584c77d3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a4659be0bc7cb1856ffb15b67f903229ae8891ec","name":"https://git.kernel.org/stable/c/a4659be0bc7cb1856ffb15b67f903229ae8891ec","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ffa974b2f50ad8b911b9066d7aed84ad0afabcdb","name":"https://git.kernel.org/stable/c/ffa974b2f50ad8b911b9066d7aed84ad0afabcdb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8990dbb7065b0b002b1e58b9091a5b61f5e94dbe","name":"https://git.kernel.org/stable/c/8990dbb7065b0b002b1e58b9091a5b61f5e94dbe","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74362","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74362","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fb5de4358e1aa4753dce73c4dc1aca73ff39cedd 8990dbb7065b0b002b1e58b9091a5b61f5e94dbe git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fb5de4358e1aa4753dce73c4dc1aca73ff39cedd 8d70b3973020e59845c0bdad90e0b9c2295fd493 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fb5de4358e1aa4753dce73c4dc1aca73ff39cedd ffa974b2f50ad8b911b9066d7aed84ad0afabcdb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fb5de4358e1aa4753dce73c4dc1aca73ff39cedd b6bc07e49a5fbb335f56eb90cd63dec6584c77d3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fb5de4358e1aa4753dce73c4dc1aca73ff39cedd a4659be0bc7cb1856ffb15b67f903229ae8891ec git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.5","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.5 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.145 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 6.12.* 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/ext2/file.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"8990dbb7065b0b002b1e58b9091a5b61f5e94dbe","status":"affected","version":"fb5de4358e1aa4753dce73c4dc1aca73ff39cedd","versionType":"git"},{"lessThan":"8d70b3973020e59845c0bdad90e0b9c2295fd493","status":"affected","version":"fb5de4358e1aa4753dce73c4dc1aca73ff39cedd","versionType":"git"},{"lessThan":"ffa974b2f50ad8b911b9066d7aed84ad0afabcdb","status":"affected","version":"fb5de4358e1aa4753dce73c4dc1aca73ff39cedd","versionType":"git"},{"lessThan":"b6bc07e49a5fbb335f56eb90cd63dec6584c77d3","status":"affected","version":"fb5de4358e1aa4753dce73c4dc1aca73ff39cedd","versionType":"git"},{"lessThan":"a4659be0bc7cb1856ffb15b67f903229ae8891ec","status":"affected","version":"fb5de4358e1aa4753dce73c4dc1aca73ff39cedd","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/ext2/file.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.5"},{"lessThan":"6.5","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","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":"6.6.145","versionStartIncluding":"6.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"6.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"6.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"6.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"6.5","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\next2: fix ignored return value of generic_write_sync()\n\nFix ext2_dio_write_iter() to propagate the error returned by\ngeneric_write_sync() instead of silently discarding it, which could\ncause write(2) to return success to userspace on O_SYNC/O_DSYNC files\neven when the sync failed.\n\nThe correct pattern, already used in ext2_dax_write_iter() in the same\nfile and in ext4, xfs, f2fs among others, is:\n    if (ret > 0)\n        ret = generic_write_sync(iocb, ret);\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.\n\n[JK: Reflect also filemap_write_and_wait() return value]"}],"providerMetadata":{"dateUpdated":"2026-08-15T05:58:45.553Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/8990dbb7065b0b002b1e58b9091a5b61f5e94dbe"},{"url":"https://git.kernel.org/stable/c/8d70b3973020e59845c0bdad90e0b9c2295fd493"},{"url":"https://git.kernel.org/stable/c/ffa974b2f50ad8b911b9066d7aed84ad0afabcdb"},{"url":"https://git.kernel.org/stable/c/b6bc07e49a5fbb335f56eb90cd63dec6584c77d3"},{"url":"https://git.kernel.org/stable/c/a4659be0bc7cb1856ffb15b67f903229ae8891ec"}],"title":"ext2: fix ignored return value of generic_write_sync()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74362","datePublished":"2026-08-15T05:58:45.553Z","dateReserved":"2026-08-15T05:44:03.887Z","dateUpdated":"2026-08-15T05:58:45.553Z","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":"74362","Ordinal":"1","Title":"ext2: fix ignored return value of generic_write_sync()","CVE":"CVE-2026-74362","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74362","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\next2: fix ignored return value of generic_write_sync()\n\nFix ext2_dio_write_iter() to propagate the error returned by\ngeneric_write_sync() instead of silently discarding it, which could\ncause write(2) to return success to userspace on O_SYNC/O_DSYNC files\neven when the sync failed.\n\nThe correct pattern, already used in ext2_dax_write_iter() in the same\nfile and in ext4, xfs, f2fs among others, is:\n    if (ret > 0)\n        ret = generic_write_sync(iocb, ret);\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.\n\n[JK: Reflect also filemap_write_and_wait() return value]","Type":"Description","Title":"ext2: fix ignored return value of generic_write_sync()"}]}}}