GSD-2021-1002139 staging: rtl8712: fix use-after-free in rtl8712_dl_fw
A use-after-free vulnerability in the rtl8712 driver allows attackers to potentially execute code or cause a denial of service.
- 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-2021-1002139?
GSD-2021-1002139 is an use after free vulnerability in Kernel, published on 14 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
staging: rtl8712: fix use-after-free in rtl8712_dl_fw
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 v5.14.18 by commit befd23bd3b17f1a3f9c943a8580b47444c7c63ed, it was introduced in version v3.3 by commit 8c213fa59199f9673d66970d6940fa093186642f. For more details please see the references link.
Which versions are affected by GSD-2021-1002139?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002139?
No fix has been published for GSD-2021-1002139 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-2021-1002139 being exploited?
There is no known exploitation of GSD-2021-1002139 in the wild and no public exploit code.