GSD-2021-1002496 rxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer()
A memory leak in the Linux Kernel's rxrpc module can lead to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1002496?
GSD-2021-1002496 is a memory corruption vulnerability in Kernel, published on 19 Dec 2021. It can be exploited over the network, with no action from the victim.
Official description
rxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer()
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 v5.10.84 by commit 60f0b9c42cb80833a03ca57c1c8b078d716e71d1, it was introduced in version v5.4 by commit 9ebeddef58c41bd700419cdcece24cf64ce32276. For more details please see the references link.
Which versions are affected by GSD-2021-1002496?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002496?
No fix has been published for GSD-2021-1002496 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-2021-1002496 being exploited?
There is no known exploitation of GSD-2021-1002496 in the wild and no public exploit code.