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CVE-2024-57927

Estado: ModificadaMedia (5.5)—

In the Linux kernel, the following vulnerability has been resolved:

nfs: Fix oops in nfs_netfs_init_request() when copying to cache

When netfslib wants to copy some data that has just been read on behalf of nfs, it creates a new write request and calls nfs_netfs_init_request() to initialise it, but with a NULL file pointer. This causes nfs_file_open_context() to oops - however, we don't actually need the nfs context as we're only going to write to the cache.

Fix this by just returning if we aren't given a file pointer and emit a warning if the request was for something other than copy-to-cache.

Further, fix nfs_netfs_free_request() so that it doesn't try to free the context if the pointer is NULL.

CVSS

Probabilidad de explotación (EPSS)

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)

Linux — Linux Kernel

CWE

Referencias

JSON original (NVD)

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      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfs: Fix oops in nfs_netfs_init_request() when copying to cache\n\nWhen netfslib wants to copy some data that has just been read on behalf of\nnfs, it creates a new write request and calls nfs_netfs_init_request() to\ninitialise it, but with a NULL file pointer.  This causes\nnfs_file_open_context() to oops - however, we don't actually need the nfs\ncontext as we're only going to write to the cache.\n\nFix this by just returning if we aren't given a file pointer and emit a\nwarning if the request was for something other than copy-to-cache.\n\nFurther, fix nfs_netfs_free_request() so that it doesn't try to free the\ncontext if the pointer is NULL."
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    }
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  "lastModified": "2026-06-17T08:14:15.140",
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