GSD-2022-1006856 wifi: mt76: mt7921: fix use after free in mt7921_acpi_read()
A use-after-free vulnerability in the mt7921 Wi-Fi driver allows local attackers to potentially execute code or cause a system crash.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1006856?
GSD-2022-1006856 is an use after free vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
wifi: mt76: mt7921: fix use after free in mt7921_acpi_read()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.0.3 by commit 3ed0b382cb36f6dac9f93b3a5533cfcd699409a5, it was introduced in version v6.0 by commit f965333e491e36adb0fa91e389fba8685b704fb6. For more details please see the references link.
Which versions are affected by GSD-2022-1006856?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006856?
No fix has been published for GSD-2022-1006856 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2022-1006856 being exploited?
There is no known exploitation of GSD-2022-1006856 in the wild and no public exploit code.