2024-03-25 15:03:27 +00:00

44 lines
2.4 KiB
JSON

{
"id": "CVE-2021-47179",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-03-25T10:15:09.317",
"lastModified": "2024-03-25T13:47:14.087",
"vulnStatus": "Awaiting Analysis",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFSv4: Fix a NULL pointer dereference in pnfs_mark_matching_lsegs_return()\n\nCommit de144ff4234f changes _pnfs_return_layout() to call\npnfs_mark_matching_lsegs_return() passing NULL as the struct\npnfs_layout_range argument. Unfortunately,\npnfs_mark_matching_lsegs_return() doesn't check if we have a value here\nbefore dereferencing it, causing an oops.\n\nI'm able to hit this crash consistently when running connectathon basic\ntests on NFS v4.1/v4.2 against Ontap."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: NFSv4: corrige una desreferencia de puntero NULL en pnfs_mark_matching_lsegs_return(). Confirme los cambios de144ff4234f _pnfs_return_layout() para llamar a pnfs_mark_matching_lsegs_return() pasando NULL como argumento de estructura pnfs_layout_range. Desafortunadamente, pnfs_mark_matching_lsegs_return() no verifica si tenemos un valor aqu\u00ed antes de eliminar la referencia a \u00e9l, lo que provoca un error. Puedo alcanzar este bloqueo de manera consistente cuando ejecuto pruebas b\u00e1sicas de Connectathon en NFS v4.1/v4.2 contra Ontap."
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/39785761feadf261bc5101372b0b0bbaf6a94494",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/42637ca25c7d7b5a92804a679af5192e8c1a9f48",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/4e1ba532dbc1a0e19fc2458d74ab8d98680c4e42",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/aba3c7795f51717ae316f3566442dee7cc3eeccb",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/b090d110e66636bca473fd8b98d5c97b555a965a",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/f9890652185b72b8de9ebeb4406037640b6e1b53",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}