GSD-2022-1004002 Input: sparcspkr - fix refcount leak in bbc_beep_probe
A refcount leak in the sparcspkr driver can lead to resource exhaustion and denial of service, requiring local privileged access to trigger.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1004002?
GSD-2022-1004002 is a denial of service vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Input: sparcspkr - fix refcount leak in bbc_beep_probe
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 v4.14.283 by commit f13064b0f2c651a3fbb0749932795c6fd21556a8, it was introduced in version v2.6.26 by commit 9c1a5077fdca99356c891af37931e537dea874f5. For more details please see the references link.
Which versions are affected by GSD-2022-1004002?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004002?
No fix has been published for GSD-2022-1004002 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2022-1004002 being exploited?
There is no known exploitation of GSD-2022-1004002 in the wild and no public exploit code.