GSD-2022-1006147 mmc: sdhci-of-esdhc: Fix refcount leak in esdhc_signal_voltage_switch
A refcount leak in the Linux Kernel's eSDHC 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-2022-1006147?
GSD-2022-1006147 is a denial of service vulnerability in Kernel, published on 17 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 v4.19.256 by commit 547db1dd98d1815574ebea7358015a17199a93bc, it was introduced in version v4.12 by commit ea35645a3c66a74af92d3bbb4eb131220fc3e58a. For more details please see the references link.
Which versions are affected by GSD-2022-1006147?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006147?
No fix has been published for GSD-2022-1006147 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-2022-1006147 being exploited?
There is no known exploitation of GSD-2022-1006147 in the wild and no public exploit code.