GSD-2022-1004229 PM / devfreq: exynos-ppmu: Fix refcount leak in of_get_devfreq_events
A refcount leak in the Exynos PPMU 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-2022-1004229?
GSD-2022-1004229 is a memory corruption vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
PM / devfreq: exynos-ppmu: Fix refcount leak in of_get_devfreq_events
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 v5.18.10 by commit 194781229d4cbc804b8ded13156eb8addce87d6c, it was introduced in version v4.0 by commit f262f28c147051e7aa6daaf4fb5996833ffadff4. For more details please see the references link.
Which versions are affected by GSD-2022-1004229?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004229?
No fix has been published for GSD-2022-1004229 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-2022-1004229 being exploited?
There is no known exploitation of GSD-2022-1004229 in the wild and no public exploit code.