CVE-2026-45899
Estado: AnalizadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
ext4: drop extent cache when splitting extent fails
When the split extent fails, we might leave some extents still being processed and return an error directly, which will result in stale extent entries remaining in the extent status tree. So drop all of the remaining potentially stale extents if the splitting fails.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.16%
- Percentil entre todas las CVEs puntuadas: 5
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- NVD-CWE-noinfo
Referencias
- https://git.kernel.org/stable/c/120c6bd7ca9d3e80a968b758cbb3fbd67570f132
- https://git.kernel.org/stable/c/31bf37cf53ede8145e2bc62da803d4506da92975
- https://git.kernel.org/stable/c/337506dc652383c80839edb8d8dcdd8ff2129b4f
- https://git.kernel.org/stable/c/6e54f8dfee359bbd58086c883ea8cffd5312999d
- https://git.kernel.org/stable/c/79b592e8f1b435796cbc2722190368e3e8ffd7a1
- https://git.kernel.org/stable/c/808f3191498f300174523c54cab101e18795ae4e
- https://git.kernel.org/stable/c/dc7c9b9d03a59a7fe483574531327e650a4b4adc
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-45899",
"cveTags": [],
"metrics": {
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.5,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "107a7bd31ac003e42c0f966aa8e5b26947de6024",
"lessThan": "6e54f8dfee359bbd58086c883ea8cffd5312999d",
"versionType": "git"
},
{
"status": "affected",
"version": "107a7bd31ac003e42c0f966aa8e5b26947de6024",
"lessThan": "337506dc652383c80839edb8d8dcdd8ff2129b4f",
"versionType": "git"
},
{
"status": "affected",
"version": "107a7bd31ac003e42c0f966aa8e5b26947de6024",
"lessThan": "dc7c9b9d03a59a7fe483574531327e650a4b4adc",
"versionType": "git"
},
{
"status": "affected",
"version": "107a7bd31ac003e42c0f966aa8e5b26947de6024",
"lessThan": "120c6bd7ca9d3e80a968b758cbb3fbd67570f132",
"versionType": "git"
},
{
"status": "affected",
"version": "107a7bd31ac003e42c0f966aa8e5b26947de6024",
"lessThan": "808f3191498f300174523c54cab101e18795ae4e",
"versionType": "git"
},
{
"status": "affected",
"version": "107a7bd31ac003e42c0f966aa8e5b26947de6024",
"lessThan": "31bf37cf53ede8145e2bc62da803d4506da92975",
"versionType": "git"
},
{
"status": "affected",
"version": "107a7bd31ac003e42c0f966aa8e5b26947de6024",
"lessThan": "79b592e8f1b435796cbc2722190368e3e8ffd7a1",
"versionType": "git"
}
],
"programFiles": [
"fs/ext4/extents.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "3.12"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "3.12",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.10.253",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.203",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.6.130",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.75",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.14",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "6.19.4",
"versionType": "semver",
"lessThanOrEqual": "6.19.*"
},
{
"status": "unaffected",
"version": "7.0",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/ext4/extents.c"
],
"defaultStatus": "affected"
}
]
}
],
"published": "2026-05-27T14:17:04.227",
"references": [
{
"url": "https://git.kernel.org/stable/c/120c6bd7ca9d3e80a968b758cbb3fbd67570f132",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/31bf37cf53ede8145e2bc62da803d4506da92975",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/337506dc652383c80839edb8d8dcdd8ff2129b4f",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/6e54f8dfee359bbd58086c883ea8cffd5312999d",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/79b592e8f1b435796cbc2722190368e3e8ffd7a1",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/808f3191498f300174523c54cab101e18795ae4e",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/dc7c9b9d03a59a7fe483574531327e650a4b4adc",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: drop extent cache when splitting extent fails\n\nWhen the split extent fails, we might leave some extents still being\nprocessed and return an error directly, which will result in stale\nextent entries remaining in the extent status tree. So drop all of the\nremaining potentially stale extents if the splitting fails."
}
],
"lastModified": "2026-06-25T21:09:27.740",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0ECA9FA3-7D5A-47DF-96CD-50ED0F72C020",
"versionEndExcluding": "5.10.253",
"versionStartIncluding": "3.12"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "20DDB3E9-AABF-4107-ADB0-5362AA067045",
"versionEndExcluding": "5.15.203",
"versionStartIncluding": "5.11"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BA396CE4-960C-4CDD-8691-B9AE924E2BB0",
"versionEndExcluding": "6.6.130",
"versionStartIncluding": "5.16"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BCE16369-98ED-41CF-8995-DFDC10B288D2",
"versionEndExcluding": "6.12.75",
"versionStartIncluding": "6.7"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BF463CB7-1F58-4607-B847-77ED23E4B9B7",
"versionEndExcluding": "6.18.14",
"versionStartIncluding": "6.13"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "672A3E79-EC03-479D-8503-361DFBDC8092",
"versionEndExcluding": "6.19.4",
"versionStartIncluding": "6.19"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}