Vulnerability Details : CVE-2021-47206
In the Linux kernel, the following vulnerability has been resolved:
usb: host: ohci-tmio: 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-2021-47206
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- 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-2021-47206
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 12 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-47206
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 | 2025-01-07 |
CWE ids for CVE-2021-47206
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-47206
-
https://git.kernel.org/stable/c/28e016e02118917e50a667bc72fb80098cf2b460
usb: host: ohci-tmio: check return value after calling platform_get_resource() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/065334f6640d074a1caec2f8b0091467a22f9483
usb: host: ohci-tmio: check return value after calling platform_get_resource() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/2474eb7fc3bfbce10f7b8ea431fcffe5dd5f5100
usb: host: ohci-tmio: check return value after calling platform_get_resource() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/bb6ed2e05eb6e8619b30fa854f9becd50c11723f
usb: host: ohci-tmio: check return value after calling platform_get_resource() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/9eff2b2e59fda25051ab36cd1cb5014661df657b
usb: host: ohci-tmio: check return value after calling platform_get_resource() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/951b8239fd24678b56c995c5c0456ab12e059d19
usb: host: ohci-tmio: check return value after calling platform_get_resource() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/2f18f97a1a787154a372c0738f1576f14b693d91
usb: host: ohci-tmio: check return value after calling platform_get_resource() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/f98986b7acb4219f95789095eced93ed69d81d35
usb: host: ohci-tmio: check return value after calling platform_get_resource() - kernel/git/stable/linux.git - Linux kernel stable treePatch
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