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PRIOn knowledge basePRION:CVE-2021-47050

HistoryFeb 28, 2024 - 9:15 a.m.

Null pointer dereference

2024-02-2809:15:00

PRIOn knowledge base

www.prio-n.com

linux kernel

vulnerability

renesas-rpc-if

memory

dereference

resource

platform_get_resource_byname

resource_size

validation

addresses-coverity

nvd

6.8 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

15.5%

JSON

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

memory: renesas-rpc-if: fix possible NULL pointer dereference of resource

The platform_get_resource_byname() can return NULL which would be
immediately dereferenced by resource_size(). Instead dereference it
after validating the resource.

Addresses-Coverity: Dereference null return value

References

git.kernel.org/stable/c/59e27d7c94aa02da039b000d33c304c179395801

git.kernel.org/stable/c/71bcc1b4a1743534d8abdcb57ff912e6bc390438

git.kernel.org/stable/c/a74cb41af7dbe019e4096171f8bc641c7ce910ad

git.kernel.org/stable/c/e16acc3a37f09e18835dc5d8014942c2ef6ca957