{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-43066",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-01T14:12:55.981Z",
        "datePublished": "2026-05-05T15:23:25.984Z",
        "dateUpdated": "2026-05-11T22:17:03.438Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:17:03.438Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix iloc.bh leak in ext4_fc_replay_inode() error paths\n\nDuring code review, Joseph found that ext4_fc_replay_inode() calls\next4_get_fc_inode_loc() to get the inode location, which holds a\nreference to iloc.bh that must be released via brelse().\n\nHowever, several error paths jump to the 'out' label without\nreleasing iloc.bh:\n\n - ext4_handle_dirty_metadata() failure\n - sync_dirty_buffer() failure\n - ext4_mark_inode_used() failure\n - ext4_iget() failure\n\nFix this by introducing an 'out_brelse' label placed just before\nthe existing 'out' label to ensure iloc.bh is always released.\n\nAdditionally, make ext4_fc_replay_inode() propagate errors\nproperly instead of always returning 0."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/ext4/fast_commit.c"
                    ],
                    "versions": [
                        {
                            "version": "8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2",
                            "lessThan": "0892f12cd49fde5d5db68137923db107f894f3a3",
                            "status": "affected",
                            "versionType": "git"
                        },
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                            "status": "affected",
                            "versionType": "git"
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                        {
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                            "lessThan": "9c90449a9ac2cd1ba540ad2561b8b70c1bfb0a25",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2",
                            "lessThan": "ca99cbcc316cdfd2040cc2b13d1426ccb3b3b50b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2",
                            "lessThan": "19782b4c793b49a6aa4abbb307ddff3610009d21",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2",
                            "lessThan": "f7817ad399d604e8639005d87d148b5ec626ad26",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2",
                            "lessThan": "c426231e3d51916e83b6d1ab7ed8a65e83bca5b4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2",
                            "lessThan": "ec0a7500d8eace5b4f305fa0c594dd148f0e8d29",
                            "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/fast_commit.c"
                    ],
                    "versions": [
                        {
                            "version": "5.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.10",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.253",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.203",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.168",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.131",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.80",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.21",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.11",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "5.10.253"
                                },
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/0892f12cd49fde5d5db68137923db107f894f3a3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5a63033696e60b5d70816f1d119645ac5b0b0a03"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9c90449a9ac2cd1ba540ad2561b8b70c1bfb0a25"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ca99cbcc316cdfd2040cc2b13d1426ccb3b3b50b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/19782b4c793b49a6aa4abbb307ddff3610009d21"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f7817ad399d604e8639005d87d148b5ec626ad26"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c426231e3d51916e83b6d1ab7ed8a65e83bca5b4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ec0a7500d8eace5b4f305fa0c594dd148f0e8d29"
                }
            ],
            "title": "ext4: fix iloc.bh leak in ext4_fc_replay_inode() error paths",
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