GSD-2022-1004620 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
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1004620?
GSD-2022-1004620 is a memory corruption vulnerability in Kernel, published on 31 Jul 2022.
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 v5.10.127 by commit 68f28d52e6cbab8dcfa249cac4356d1d0573e868, it was introduced in version v3.17 by commit fce9e5bb25264153f9f002eada41757118d25ba9. For more details please see the references link.
Which versions are affected by GSD-2022-1004620?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004620?
No fix has been published for GSD-2022-1004620 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-2022-1004620 being exploited?
There is no known exploitation of GSD-2022-1004620 in the wild and no public exploit code.