{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50839",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-30T12:06:07.133Z",
        "datePublished": "2025-12-30T12:10:58.406Z",
        "dateUpdated": "2026-05-11T19:26:06.678Z"
    },
    "containers": {
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            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:26:06.678Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njbd2: fix potential buffer head reference count leak\n\nAs in 'jbd2_fc_wait_bufs' if buffer isn't uptodate, will return -EIO without\nupdate 'journal->j_fc_off'. But 'jbd2_fc_release_bufs' will release buffer head\nfrom ‘j_fc_off - 1’ if 'bh' is NULL will terminal release which will lead to\nbuffer head buffer head reference count leak.\nTo solve above issue, update 'journal->j_fc_off' before return -EIO."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/jbd2/journal.c"
                    ],
                    "versions": [
                        {
                            "version": "ff780b91efe901b8eecd8114785abae5341820ad",
                            "lessThan": "7a33dde572fceb45d02d188e0213c47059401c93",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ff780b91efe901b8eecd8114785abae5341820ad",
                            "lessThan": "e7385c868ee038d6a0cb0e85c22d2741e7910fd5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ff780b91efe901b8eecd8114785abae5341820ad",
                            "lessThan": "68ed9c76b2affd47177b92495446abb7262d0ef7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
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                            "lessThan": "9b073d73725366d886b711b74e058c02f51e7a0e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ff780b91efe901b8eecd8114785abae5341820ad",
                            "lessThan": "e0d5fc7a6d80ac2406c7dfc6bb625201d0250a8a",
                            "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/jbd2/journal.c"
                    ],
                    "versions": [
                        {
                            "version": "5.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.10",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.150",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.75",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19.17",
                            "lessThanOrEqual": "5.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.3",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1",
                            "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": "5.10",
                                    "versionEndExcluding": "5.10.150"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10",
                                    "versionEndExcluding": "5.15.75"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10",
                                    "versionEndExcluding": "5.19.17"
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10",
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                                    "versionStartIncluding": "5.10",
                                    "versionEndExcluding": "6.1"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/7a33dde572fceb45d02d188e0213c47059401c93"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e7385c868ee038d6a0cb0e85c22d2741e7910fd5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/68ed9c76b2affd47177b92495446abb7262d0ef7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9b073d73725366d886b711b74e058c02f51e7a0e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e0d5fc7a6d80ac2406c7dfc6bb625201d0250a8a"
                }
            ],
            "title": "jbd2: fix potential buffer head reference count leak",
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    }
}