GSD-2023-1000561 ASoC: audio-graph-card: fix refcount leak of cpu_ep in __graph_for_each_link()
A refcount leak in the Linux Kernel audio-graph-card driver can lead to resource exhaustion and 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-2023-1000561?
GSD-2023-1000561 is a memory corruption 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
ASoC: audio-graph-card: fix refcount leak of cpu_ep in __graph_for_each_link()
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 v6.0.16 by commit 49dad92af6892f46851af989ef3aa7cd7316c389, it was introduced in version v5.1 by commit fce9b90c1ab7e915553c57353355700c79b39c86. For more details please see the references link.
Which versions are affected by GSD-2023-1000561?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000561?
No fix has been published for GSD-2023-1000561 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-2023-1000561 being exploited?
There is no known exploitation of GSD-2023-1000561 in the wild and no public exploit code.