Vulnerability Details : CVE-2021-47279
In the Linux kernel, the following vulnerability has been resolved:
usb: misc: brcmstb-usb-pinmap: check return value after calling platform_get_resource()
It will cause null-ptr-deref if platform_get_resource() returns NULL,
we need check the return value.
Vulnerability category: Memory Corruption
Products affected by CVE-2021-47279
- 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-2021-47279
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 7 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-47279
| 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 | 2024-12-26 |
CWE ids for CVE-2021-47279
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-47279
-
https://git.kernel.org/stable/c/2147684be1ebdaf845783139b9bc4eba3fecd9e4
usb: misc: brcmstb-usb-pinmap: check return value after calling platform_get_resource() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/fbf649cd6d64d40c03c5397ecd6b1ae922ba7afc
usb: misc: brcmstb-usb-pinmap: check return value after calling platform_get_resource() - kernel/git/stable/linux.git - Linux kernel stable treePatch
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