GSD-2021-1000987 net: usb: fix possible use-after-free in smsc75xx_bind
A use-after-free vulnerability in the Linux kernel's smsc75xx USB driver could allow local attackers to 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-2021-1000987?
GSD-2021-1000987 is an use after free vulnerability in Kernel, published on 30 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net: usb: fix possible use-after-free in smsc75xx_bind
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 v5.10.46 by commit 570a52cf3e01d19f7fd1a251dfc52b0cd86c13cb, it was introduced in version v5.10.42 by commit 635ac38b36255d3cfb8312cf7c471334f4d537e0. For more details please see the references link.
Which versions are affected by GSD-2021-1000987?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000987?
No fix has been published for GSD-2021-1000987 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-2021-1000987 being exploited?
There is no known exploitation of GSD-2021-1000987 in the wild and no public exploit code.