GSD-2022-1008221 iio: adc: at91_adc: fix possible memory leak in at91_adc_allocate_trigger()
A memory leak in the AT91 ADC driver can lead to resource exhaustion and denial of service, requiring a kernel patch.
- 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-2022-1008221?
GSD-2022-1008221 is a denial of service vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
iio: adc: at91_adc: fix possible memory leak in at91_adc_allocate_trigger()
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 v4.19.267 by commit 2b29a7f2d52fb5281b30cf61c947d88bab18a29b, it was introduced in version v3.5 by commit 0e589d5fb3172b0dde7fdad3a4829ce5352dd30d. For more details please see the references link.
Which versions are affected by GSD-2022-1008221?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008221?
No fix has been published for GSD-2022-1008221 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-2022-1008221 being exploited?
There is no known exploitation of GSD-2022-1008221 in the wild and no public exploit code.