Vulnerability Details : CVE-2021-47233
In the Linux kernel, the following vulnerability has been resolved:
regulator: rt4801: Fix NULL pointer dereference if priv->enable_gpios is NULL
devm_gpiod_get_array_optional may return NULL if no GPIO was assigned.
Vulnerability category: Memory Corruption
Products affected by CVE-2021-47233
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.13:rc5:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-47233
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 9 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-47233
| 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 | 2024-12-30 |
CWE ids for CVE-2021-47233
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-47233
-
https://git.kernel.org/stable/c/dc68f0c9e4a001e02376fe87f4bdcacadb27e8a1
regulator: rt4801: Fix NULL pointer dereference if priv->enable_gpios is NULL - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/ba8a26a7ce8617f9f3d6230de34b2302df086b41
regulator: rt4801: Fix NULL pointer dereference if priv->enable_gpios is NULL - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/cb2381cbecb81a8893b2d1e1af29bc2e5531df27
regulator: rt4801: Fix NULL pointer dereference if priv->enable_gpios is NULL - kernel/git/stable/linux.git - Linux kernel stable treePatch
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