GSD-2022-1004885 ARM: exynos: Fix refcount leak in exynos_map_pmu
A refcount leak in the Exynos PMU mapping code can lead to resource exhaustion and denial of service in the Linux kernel.
- 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-2022-1004885?
GSD-2022-1004885 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
ARM: exynos: Fix refcount leak in exynos_map_pmu
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 v4.14.286 by commit 31d09571bb071c20f6bdc0bb7ac1ef8dd2987c04, it was introduced in version v3.17 by commit fce9e5bb25264153f9f002eada41757118d25ba9. For more details please see the references link.
Which versions are affected by GSD-2022-1004885?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004885?
No fix has been published for GSD-2022-1004885 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-2022-1004885 being exploited?
There is no known exploitation of GSD-2022-1004885 in the wild and no public exploit code.