fkie_cve-2021-33033
Vulnerability from fkie_nvd
Published
2021-05-14 23:15
Modified
2024-11-21 06:08
Severity ?
Summary
The Linux kernel before 5.11.14 has a use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c because the CIPSO and CALIPSO refcounting for the DOI definitions is mishandled, aka CID-ad5d07f4a9cd. This leads to writing an arbitrary value.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * |
{
"configurations": [
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"nodes": [
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "B292B33E-C901-4DB8-ABC1-FE19A25E0085",
"versionEndExcluding": "5.11.14",
"vulnerable": true
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"cveTags": [],
"descriptions": [
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"lang": "en",
"value": "The Linux kernel before 5.11.14 has a use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c because the CIPSO and CALIPSO refcounting for the DOI definitions is mishandled, aka CID-ad5d07f4a9cd. This leads to writing an arbitrary value."
},
{
"lang": "es",
"value": "El kernel de Linux versiones anteriores a 5.11.14, presenta un uso de la memoria previamente liberada en una funci\u00f3n cipso_v4_genopt en el archivo net/ipv4/cipso_ipv4.c, porque el recuento de CIPSO y CALIPSO para las definiciones DOI es manejado inapropiadamente, tambi\u00e9n se conoce como CID-ad5d07f4a9cd.\u0026#xa0;Esto conlleva a escribir un valor arbitrario"
}
],
"id": "CVE-2021-33033",
"lastModified": "2024-11-21T06:08:09.773",
"metrics": {
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"version": "2.0"
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"value": "CWE-416"
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"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- 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.