NetSight
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medium5.5

CVE-2022-50165

In the Linux kernel, the following vulnerability has been resolved: wifi: wil6210: debugfs: fix uninitialized variable use in `wil_write_file_wmi()` Commit 7a4…

Impact

In the Linux kernel, the following vulnerability has been resolved: wifi: wil6210: debugfs: fix uninitialized variable use in `wil_write_file_wmi()` Commit 7a4836560a61 changes simple_write_to_buffer() with memdup_user() but it forgets to change the value to be returned that came from simple_write_to_buffer() call. It results in the following warning: warning: variable 'rc' is uninitialized when used here [-Wuninitialized] return rc; ^~ Remove rc variable and just return the passed in length if the memdup_user() succeeds.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 3.17 before 4.14.291
from 4.15 before 4.19.256
from 4.20 before 5.4.211
from 5.5 before 5.10.137
from 5.11 before 5.15.61
from 5.16 before 5.18.18

Weakness classification

CWE-908

References