GSD-2021-1001669 net: macb: fix use after free on rmmod
A use-after-free vulnerability in the Linux kernel macb network driver allows local attackers with root privileges to cause a system crash or potentially execute code.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1001669?
GSD-2021-1001669 is an use after free vulnerability in Kernel, published on 19 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net: macb: fix use after free on rmmod
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 v5.10.70 by commit 7721221e87d25c9840d9ca6b986dbdc410d5ce2b. For more details please see the references link.
Which versions are affected by GSD-2021-1001669?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001669?
No fix has been published for GSD-2021-1001669 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-2021-1001669 being exploited?
There is no known exploitation of GSD-2021-1001669 in the wild and no public exploit code.