GSD-2023-1000255 e100: Fix possible use after free in e100_xmit_prepare
A use-after-free vulnerability in the e100 network 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-2023-1000255?
GSD-2023-1000255 is an use after free vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
e100: Fix possible use after free in e100_xmit_prepare
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 v5.10.158 by commit b775f37d943966f6f77dca402f5a9dedce502c25, it was introduced in version v4.3 by commit 5e5d49422dfb035ca9e280cd61d434095c151272. For more details please see the references link.
Which versions are affected by GSD-2023-1000255?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000255?
No fix has been published for GSD-2023-1000255 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-2023-1000255 being exploited?
There is no known exploitation of GSD-2023-1000255 in the wild and no public exploit code.