GSD-2022-1007887 mmc: sdhci-pci: Fix possible memory leak caused by missing pci_dev_put()
A missing reference count decrement in the Linux Kernel SDHCI PCI driver can lead to a memory leak, potentially causing 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-2022-1007887?
GSD-2022-1007887 is a memory corruption vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
mmc: sdhci-pci: Fix possible memory leak caused by missing pci_dev_put()
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 v5.15.80 by commit a99a547658e5d451f01ed307426286716b6f01bf, it was introduced in version v4.4 by commit 659c9bc114a810b3a3c1e50585cc57f1312a6d60. For more details please see the references link.
Which versions are affected by GSD-2022-1007887?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007887?
No fix has been published for GSD-2022-1007887 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-2022-1007887 being exploited?
There is no known exploitation of GSD-2022-1007887 in the wild and no public exploit code.