FKIE_CVE-2025-37839
Vulnerability from fkie_nvd - Published: 2025-05-09 07:16 - Updated: 2026-06-17 09:15
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved:
jbd2: remove wrong sb->s_sequence check
Journal emptiness is not determined by sb->s_sequence == 0 but rather by
sb->s_start == 0 (which is set a few lines above). Furthermore 0 is a
valid transaction ID so the check can spuriously trigger. Remove the
invalid WARN_ON.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| debian | debian_linux | 11.0 |
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"fs/jbd2/journal.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "cf30432f5b3064ff85d85639c2f0106f89c566f6",
"status": "affected",
"version": "24bcc89c7e7c64982e6192b4952a0a92379fc341",
"versionType": "git"
},
{
"lessThan": "b479839525fe7906966cdc4b5b2afbca048558a1",
"status": "affected",
"version": "24bcc89c7e7c64982e6192b4952a0a92379fc341",
"versionType": "git"
},
{
"lessThan": "ad926f735b4d4f10768fec7d080cadeb6d075cac",
"status": "affected",
"version": "24bcc89c7e7c64982e6192b4952a0a92379fc341",
"versionType": "git"
},
{
"lessThan": "3b4643ffaf72d7a5a357e9bf68b1775f8cfe7e77",
"status": "affected",
"version": "24bcc89c7e7c64982e6192b4952a0a92379fc341",
"versionType": "git"
},
{
"lessThan": "c88f7328bb0fff66520fc9164f02b1d06e083c1b",
"status": "affected",
"version": "24bcc89c7e7c64982e6192b4952a0a92379fc341",
"versionType": "git"
},
{
"lessThan": "9eaec071f111cd2124ce9a5b93536d3f6837d457",
"status": "affected",
"version": "24bcc89c7e7c64982e6192b4952a0a92379fc341",
"versionType": "git"
},
{
"lessThan": "c98eb9ffb1d9c98237b5e1668eee17654e129fb0",
"status": "affected",
"version": "24bcc89c7e7c64982e6192b4952a0a92379fc341",
"versionType": "git"
},
{
"lessThan": "b0cca357f85beb6144ab60c62dcc98508cc044bf",
"status": "affected",
"version": "24bcc89c7e7c64982e6192b4952a0a92379fc341",
"versionType": "git"
},
{
"lessThan": "e6eff39dd0fe4190c6146069cc16d160e71d1148",
"status": "affected",
"version": "24bcc89c7e7c64982e6192b4952a0a92379fc341",
"versionType": "git"
},
{
"status": "affected",
"version": "dd8ff32c1e7ed10fb0e168b4431983e09acbeb2f",
"versionType": "git"
},
{
"lessThan": "3.3",
"status": "affected",
"version": "3.2.71",
"versionType": "semver"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"fs/jbd2/journal.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "3.4"
},
{
"lessThan": "3.4",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.293",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.237",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.181",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.135",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.88",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.24",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.13.*",
"status": "unaffected",
"version": "6.13.12",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.14.*",
"status": "unaffected",
"version": "6.14.3",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.15",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
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"matchCriteriaId": "389EB980-4648-446E-A0DC-5FB0265E0F02",
"versionEndExcluding": "5.4.293",
"vulnerable": true
},
{
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"matchCriteriaId": "0710B81E-E2FA-4E15-8F68-D297EBB4D50D",
"versionEndExcluding": "5.10.237",
"versionStartIncluding": "5.5",
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},
{
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"matchCriteriaId": "12331C9E-F601-4EFC-899E-369F98DCC70B",
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"versionStartIncluding": "5.11",
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},
{
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"matchCriteriaId": "5B9ACE29-7445-4B6F-B761-6367C005E275",
"versionEndExcluding": "6.1.135",
"versionStartIncluding": "5.16",
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},
{
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},
{
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},
{
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"matchCriteriaId": "4A475784-BF3B-4514-81EE-49C8522FB24A",
"versionEndExcluding": "6.13.12",
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},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "483E2E15-2135-4EC6-AB64-16282C5EF704",
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}
],
"negate": false,
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},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
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"vulnerable": true
}
],
"negate": false,
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}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\njbd2: remove wrong sb-\u003es_sequence check\n\nJournal emptiness is not determined by sb-\u003es_sequence == 0 but rather by\nsb-\u003es_start == 0 (which is set a few lines above). Furthermore 0 is a\nvalid transaction ID so the check can spuriously trigger. Remove the\ninvalid WARN_ON."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: jbd2: eliminar la comprobaci\u00f3n incorrecta de sb-\u0026gt;s_sequence. El vac\u00edo del diario no se determina por sb-\u0026gt;s_sequence == 0, sino por sb-\u0026gt;s_start == 0 (que se establece unas l\u00edneas m\u00e1s arriba). Adem\u00e1s, 0 es un ID de transacci\u00f3n v\u00e1lido, por lo que la comprobaci\u00f3n puede activarse falsamente. Eliminar el WARN_ON no v\u00e1lido."
}
],
"id": "CVE-2025-37839",
"lastModified": "2026-06-17T09:15:32.507",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2025-05-09T07:16:04.593",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
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],
"url": "https://git.kernel.org/stable/c/3b4643ffaf72d7a5a357e9bf68b1775f8cfe7e77"
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},
{
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"tags": [
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],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Analyzed",
"weaknesses": [
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{
"lang": "en",
"value": "NVD-CWE-noinfo"
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],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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