GSD-2022-1005247 mmc: sdhci-of-esdhc: Fix refcount leak in esdhc_signal_voltage_switch
A refcount leak in the Linux Kernel SDHCI driver can lead to resource exhaustion and denial of service.
- 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-2022-1005247?
GSD-2022-1005247 is a memory corruption vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
mmc: sdhci-of-esdhc: Fix refcount leak in esdhc_signal_voltage_switch
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 v5.19.2 by commit 8b902840f6a3584f702bcb59834691b30f3d7c5a, it was introduced in version v4.12 by commit ea35645a3c66a74af92d3bbb4eb131220fc3e58a. For more details please see the references link.
Which versions are affected by GSD-2022-1005247?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005247?
No fix has been published for GSD-2022-1005247 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-2022-1005247 being exploited?
There is no known exploitation of GSD-2022-1005247 in the wild and no public exploit code.