fkie_cve-2022-4127
Vulnerability from fkie_nvd
Published
2022-11-28 22:15
Modified
2025-06-25 20:57
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
A NULL pointer dereference issue was discovered in the Linux kernel in io_files_update_with_index_alloc. A local user could use this flaw to potentially crash the system causing a denial of service.
References
| URL | Tags | ||
|---|---|---|---|
| secalert@redhat.com | https://github.com/torvalds/linux/commit/d785a773bed966a75ca1f11d108ae1897189975b | Patch, Third Party Advisory | |
| secalert@redhat.com | https://lore.kernel.org/all/d5a19c1e-9968-e22e-5917-c3139c5e7e89%40kernel.dk/ | Patch, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/torvalds/linux/commit/d785a773bed966a75ca1f11d108ae1897189975b | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://lore.kernel.org/all/d5a19c1e-9968-e22e-5917-c3139c5e7e89%40kernel.dk/ | Patch, Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | 5.19 | |
| linux | linux_kernel | 5.19 | |
| linux | linux_kernel | 5.19 | |
| linux | linux_kernel | 5.19 | |
| linux | linux_kernel | 5.19 |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*",
"matchCriteriaId": "A8C30C2D-F82D-4D37-AB48-D76ABFBD5377",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*",
"matchCriteriaId": "BF8547FC-C849-4F1B-804B-A93AE2F04A92",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*",
"matchCriteriaId": "F3068028-F453-4A1C-B80F-3F5609ACEF60",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:*",
"matchCriteriaId": "2E9C0DB0-D349-489F-A3D6-B77214E93A8A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:*",
"matchCriteriaId": "1A0DE3B7-0FFB-45AA-9BD6-19870CA7C6FD",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A NULL pointer dereference issue was discovered in the Linux kernel in io_files_update_with_index_alloc. A local user could use this flaw to potentially crash the system causing a denial of service."
},
{
"lang": "es",
"value": "Se descubri\u00f3 un problema de desreferencia de puntero NULL en el kernel de Linux en io_files_update_with_index_alloc. Un usuario local podr\u00eda utilizar esta falla para bloquear potencialmente el sistema y provocar una Denegaci\u00f3n de Servicio (DoS)."
}
],
"id": "CVE-2022-4127",
"lastModified": "2025-06-25T20:57:40.540",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
},
{
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"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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"impactScore": 3.6,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
},
"published": "2022-11-28T22:15:11.053",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
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"Third Party Advisory"
],
"url": "https://github.com/torvalds/linux/commit/d785a773bed966a75ca1f11d108ae1897189975b"
},
{
"source": "secalert@redhat.com",
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"url": "https://lore.kernel.org/all/d5a19c1e-9968-e22e-5917-c3139c5e7e89%40kernel.dk/"
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}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-476"
}
],
"source": "secalert@redhat.com",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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