GSD-2021-1002820 ice: xsk: return xsk buffers back to pool when cleaning the ring
A memory management flaw in the Linux kernel ice driver allows attackers to cause denial of service or potentially execute code via improper buffer handling.
- 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-2021-1002820?
GSD-2021-1002820 is a memory corruption vulnerability in Kernel, published on 30 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ice: xsk: return xsk buffers back to pool when cleaning the ring
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 v5.15.12 by commit ad6d20da2cfbe14b7b1200d15f39e65988b0b9e8, it was introduced in version v5.5 by commit 2d4238f5569722197612656163d824098208519c. For more details please see the references link.
Which versions are affected by GSD-2021-1002820?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002820?
No fix has been published for GSD-2021-1002820 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2021-1002820 being exploited?
There is no known exploitation of GSD-2021-1002820 in the wild and no public exploit code.