CVE-2022-50852
Unknown
Unknown - Not Provided
Use-After-Free Vulnerability in Linux mt7921 WiFi Driver
Publication date: 2025-12-30
Last updated on: 2025-12-30
Assigner: kernel.org
Description
Description
In the Linux kernel, the following vulnerability has been resolved:
wifi: mt76: mt7921: fix use after free in mt7921_acpi_read()
Don't dereference "sar_root" after it has been freed.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | * |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a use-after-free issue in the Linux kernel's mt7921 WiFi driver. Specifically, the code dereferences the pointer "sar_root" after it has already been freed, which can lead to undefined behavior or system crashes.
How can this vulnerability impact me? :
The use-after-free vulnerability can cause system instability, crashes, or potentially allow an attacker to execute arbitrary code or escalate privileges by exploiting the improper handling of memory in the WiFi driver.
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