CVE-2026-74362

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74362", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-15T05:44:03.887Z", "datePublished": "2026-08-15T05:58:45.553Z", "dateUpdated": "2026-08-17T05:17:56.829Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:17:56.829Z"}, "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]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ext2/file.c"], "versions": [{"version": "fb5de4358e1aa4753dce73c4dc1aca73ff39cedd", "lessThan": "8990dbb7065b0b002b1e58b9091a5b61f5e94dbe", "status": "affected", "versionType": "git"}, {"version": "fb5de4358e1aa4753dce73c4dc1aca73ff39cedd", "lessThan": "8d70b3973020e59845c0bdad90e0b9c2295fd493", "status": "affected", "versionType": "git"}, {"version": "fb5de4358e1aa4753dce73c4dc1aca73ff39cedd", "lessThan": "ffa974b2f50ad8b911b9066d7aed84ad0afabcdb", "status": "affected", "versionType": "git"}, {"version": "fb5de4358e1aa4753dce73c4dc1aca73ff39cedd", "lessThan": "b6bc07e49a5fbb335f56eb90cd63dec6584c77d3", "status": "affected", "versionType": "git"}, {"version": "fb5de4358e1aa4753dce73c4dc1aca73ff39cedd", "lessThan": "a4659be0bc7cb1856ffb15b67f903229ae8891ec", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ext2/file.c"], "versions": [{"version": "6.5", "status": "affected"}, {"version": "0", "lessThan": "6.5", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "7.2"}]}]}], "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"}}}}

{}

{"affected": [{"affectedData": [{"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", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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]"}], "id": "CVE-2026-74362", "lastModified": "2026-08-17T06:19:30.960", "metrics": {}, "published": "2026-08-15T06:22:37.783", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8990dbb7065b0b002b1e58b9091a5b61f5e94dbe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8d70b3973020e59845c0bdad90e0b9c2295fd493"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a4659be0bc7cb1856ffb15b67f903229ae8891ec"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b6bc07e49a5fbb335f56eb90cd63dec6584c77d3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ffa974b2f50ad8b911b9066d7aed84ad0afabcdb"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: ext2: fix ignored return value of generic_write_sync()", "id": "2516796", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516796"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-252", "details": ["In the Linux kernel, the following vulnerability has been resolved:\next2: fix ignored return value of generic_write_sync()\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.\nThe correct pattern, already used in ext2_dax_write_iter() in the same\nfile and in ext4, xfs, f2fs among others, is:\nif (ret > 0)\nret = generic_write_sync(iocb, ret);\nFound by Linux Verification Center (linuxtesting.org) with SVACE.\n[JK: Reflect also filemap_write_and_wait() return value]", "A flaw was found in the Linux kernel's ext2 filesystem. When performing write operations on files opened with O_SYNC or O_DSYNC flags, the system call write(2) could incorrectly report success to a local user even if the data synchronization to disk failed. This could lead to data integrity issues, as applications might assume data is safely written when it is not."], "name": "CVE-2026-74362", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-74362\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-74362\nhttps://lore.kernel.org/linux-cve-announce/2026081501-CVE-2026-74362-101c@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fb5de4358e1aa4753dce73c4dc1aca73ff39cedd,8990dbb7065b0b002b1e58b9091a5b61f5e94dbe)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fb5de4358e1aa4753dce73c4dc1aca73ff39cedd,8d70b3973020e59845c0bdad90e0b9c2295fd493)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fb5de4358e1aa4753dce73c4dc1aca73ff39cedd,ffa974b2f50ad8b911b9066d7aed84ad0afabcdb)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fb5de4358e1aa4753dce73c4dc1aca73ff39cedd,b6bc07e49a5fbb335f56eb90cd63dec6584c77d3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fb5de4358e1aa4753dce73c4dc1aca73ff39cedd,a4659be0bc7cb1856ffb15b67f903229ae8891ec)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.5"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.5)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.145,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.97,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc1, *)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-15T13:00:05.626865+00:00", "updated": "2026-08-22T03:00:12.232726+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}