GSD-2023-1002004 scsi: storvsc: Fix swiotlb bounce buffer leak in confidential VM
A memory leak in the Linux Kernel's storvsc driver for confidential VMs 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-2023-1002004?
GSD-2023-1002004 is a memory corruption vulnerability in Kernel, published on 13 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
scsi: storvsc: Fix swiotlb bounce buffer leak in confidential VM
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 v6.1.7 by commit 87c71e88f6a6619ffb1ff88f84dff48ef6d57adb, it was introduced in version v5.17 by commit 743b237c3a7b0f5b44aa704aae8a1058877b6322. For more details please see the references link.
Which versions are affected by GSD-2023-1002004?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1002004?
No fix has been published for GSD-2023-1002004 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-2023-1002004 being exploited?
There is no known exploitation of GSD-2023-1002004 in the wild and no public exploit code.