cve-2021-47306
Vulnerability from cvelistv5
Published
2024-05-21 14:35
Modified
2024-12-19 07:39
Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: fddi: fix UAF in fza_probe
fp is netdev private data and it cannot be
used after free_netdev() call. Using fp after free_netdev()
can cause UAF bug. Fix it by moving free_netdev() after error message.
TURBOchannel adapter")
References
Impacted products
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Using fp after free_netdev()\ncan cause UAF bug. Fix it by moving free_netdev() after error message.\n\nTURBOchannel adapter\")" } ], "providerMetadata": { "dateUpdated": "2024-12-19T07:39:23.760Z", "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux" }, "references": [ { "url": "https://git.kernel.org/stable/c/04b06716838bfc26742dbed3ae1d3697fe5317ee" }, { "url": "https://git.kernel.org/stable/c/f33605908a9b6063525e9f68e62d739948c5fccf" }, { "url": "https://git.kernel.org/stable/c/bdfbb51f7a437ae8ea91317a5c133ec13adf3c47" }, { "url": "https://git.kernel.org/stable/c/deb7178eb940e2c5caca1b1db084a69b2e59b4c9" } ], "title": "net: fddi: fix UAF in fza_probe", "x_generator": { "engine": "bippy-5f407fcff5a0" } } }, "cveMetadata": { "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "assignerShortName": "Linux", "cveId": "CVE-2021-47306", "datePublished": "2024-05-21T14:35:26.005Z", "dateReserved": "2024-05-21T13:27:52.133Z", "dateUpdated": "2024-12-19T07:39:23.760Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "vulnerability-lookup:meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-47306\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-21T15:15:18.250\",\"lastModified\":\"2024-11-21T06:35:50.530\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: fddi: fix UAF in fza_probe\\n\\nfp is netdev private data and it cannot be\\nused after free_netdev() call. Using fp after free_netdev()\\ncan cause UAF bug. Fix it by moving free_netdev() after error message.\\n\\nTURBOchannel adapter\\\")\"},{\"lang\":\"es\",\"value\":\" En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: fddi: corrige UAF en fza_probe fp son datos privados de netdev y no se pueden usar despu\u00e9s de la llamada a free_netdev(). Usar fp despu\u00e9s de free_netdev() puede causar un error UAF. Solucionadlo moviendo free_netdev() despu\u00e9s del mensaje de error. Adaptador de canal TURBO\\\")\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/04b06716838bfc26742dbed3ae1d3697fe5317ee\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/bdfbb51f7a437ae8ea91317a5c133ec13adf3c47\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/deb7178eb940e2c5caca1b1db084a69b2e59b4c9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f33605908a9b6063525e9f68e62d739948c5fccf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/04b06716838bfc26742dbed3ae1d3697fe5317ee\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/bdfbb51f7a437ae8ea91317a5c133ec13adf3c47\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/deb7178eb940e2c5caca1b1db084a69b2e59b4c9\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/f33605908a9b6063525e9f68e62d739948c5fccf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}" } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- 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.