Vulnerability Details : CVE-2021-47522
In the Linux kernel, the following vulnerability has been resolved:
HID: bigbenff: prevent null pointer dereference
When emulating the device through uhid, there is a chance we don't have
output reports and so report_field is null.
Vulnerability category: Memory Corruption
Products affected by CVE-2021-47522
- 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-2021-47522
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 8 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-47522
| 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 | 2024-06-10 |
CWE ids for CVE-2021-47522
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-47522
-
https://git.kernel.org/stable/c/6272b17001e6fdcf7b4a16206287010a1523fa6e
HID: bigbenff: prevent null pointer dereference - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/8e0ceff632f48175ec7fb4706129c55ca8a7c7bd
HID: bigbenff: prevent null pointer dereference - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/58f15f5ae7786c824868f3a7e093859b74669ce7
HID: bigbenff: prevent null pointer dereference - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/918aa1ef104d286d16b9e7ef139a463ac7a296f0
HID: bigbenff: prevent null pointer dereference - kernel/git/stable/linux.git - Linux kernel stable treePatch
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