GSD-2021-1001431 atm: nicstar: Fix possible use-after-free in nicstar_cleanup()
A use-after-free vulnerability in the Linux kernel's nicstar ATM driver could allow local attackers to execute code or escalate privileges.
- 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-2021-1001431?
GSD-2021-1001431 is an use after free vulnerability in Kernel, published on 3 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
atm: nicstar: Fix possible use-after-free in nicstar_cleanup()
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 v4.14.240 by commit c471569632654e57c83512e0fc1ba0dbb4544ad6. For more details please see the references link.
Which versions are affected by GSD-2021-1001431?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001431?
No fix has been published for GSD-2021-1001431 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-2021-1001431 being exploited?
There is no known exploitation of GSD-2021-1001431 in the wild and no public exploit code.