{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-74358",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-15T05:44:03.887Z",
        "datePublished": "2026-08-15T05:58:42.789Z",
        "dateUpdated": "2026-08-17T05:17:52.469Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-17T05:17:52.469Z"
            },
            "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."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/ext4/ext4.h",
                        "fs/ext4/fast_commit.c"
                    ],
                    "versions": [
                        {
                            "version": "857d32f2618166765ce9306a246d0745afc76859",
                            "lessThan": "e82d515092a0cf2bca92f399d5c330c324879cea",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "857d32f2618166765ce9306a246d0745afc76859",
                            "lessThan": "d06df6e447a8510f86db44b2522d5375362a9499",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "857d32f2618166765ce9306a246d0745afc76859",
                            "lessThan": "8b3bc93fee6771775243665a0cf31857d6659775",
                            "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/ext4/ext4.h",
                        "fs/ext4/fast_commit.c"
                    ],
                    "versions": [
                        {
                            "version": "6.16",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.16",
                            "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": "6.16",
                                    "versionEndExcluding": "6.18.40"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.16",
                                    "versionEndExcluding": "7.1.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.16",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "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"
            }
        }
    }
}