CVE-2022-50165
wifi: wil6210: debugfs: fix uninitialized variable use in `wil_write_file_wmi()`
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Description
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/409bd72e544fdf4809ea0dac337bb5a1f11a25a9
- https://git.kernel.org/stable/c/52b11a48cf073e0aab923ae809a765d756cecf13
- https://git.kernel.org/stable/c/689e5caf63e99e15d2f485ec297c1bf9243e0e28
- https://git.kernel.org/stable/c/6c5fee83bdbeffe8d607d1ab125122a75f40bd1a
- https://git.kernel.org/stable/c/b13c84e877d7a3095bacb14665db304b2c00e95f
References (8)
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Quick Info
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