5.5

CVE-2021-47050

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

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
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.9 < 5.10.37
Linux ≫ Linux Kernel Version >= 5.11 < 5.11.21
Linux ≫ Linux Kernel Version >= 5.12 < 5.12.4
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.24% 0.142
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://git.kernel.org/stable/c/59e27d7c94aa02da039b000d33c304c179395801
Patch
https://git.kernel.org/stable/c/71bcc1b4a1743534d8abdcb57ff912e6bc390438
Patch
https://git.kernel.org/stable/c/a74cb41af7dbe019e4096171f8bc641c7ce910ad
Patch
https://git.kernel.org/stable/c/e16acc3a37f09e18835dc5d8014942c2ef6ca957
Patch