GSD-2021-1000446 i40e: Fix use-after-free in i40e_client_subtask()
A use-after-free vulnerability in the i40e network 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-2021-1000446?
GSD-2021-1000446 is an use after free vulnerability in Kernel, published on 31 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
i40e: Fix use-after-free in i40e_client_subtask()
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 v4.19.191 by commit c1322eaeb8af0d8985b5cc5fa759140fa0e57b84, it was introduced in version v4.16 by commit 7b0b1a6d0ac983ce1928432285d0222d4fb7c38b. For more details please see the references link.
Which versions are affected by GSD-2021-1000446?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000446?
No fix has been published for GSD-2021-1000446 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-2021-1000446 being exploited?
There is no known exploitation of GSD-2021-1000446 in the wild and no public exploit code.