Vulnerability Details : CVE-2021-47050
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
Vulnerability category: Memory Corruption
Products affected by CVE-2021-47050
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-47050
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 5 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-47050
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST | 2024-12-09 |
CWE ids for CVE-2021-47050
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-47050
-
https://git.kernel.org/stable/c/e16acc3a37f09e18835dc5d8014942c2ef6ca957
memory: renesas-rpc-if: fix possible NULL pointer dereference of resource - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/71bcc1b4a1743534d8abdcb57ff912e6bc390438
memory: renesas-rpc-if: fix possible NULL pointer dereference of resource - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/a74cb41af7dbe019e4096171f8bc641c7ce910ad
memory: renesas-rpc-if: fix possible NULL pointer dereference of resource - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/59e27d7c94aa02da039b000d33c304c179395801
memory: renesas-rpc-if: fix possible NULL pointer dereference of resource - kernel/git/stable/linux.git - Linux kernel stable treePatch
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