GSD-2022-1007474 iommu/vt-d: Clean up si_domain in the init_dmars() error path
A memory management error in the Linux kernel IOMMU driver could lead to a denial of service during initialization.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1007474?
GSD-2022-1007474 is a memory corruption vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
iommu/vt-d: Clean up si_domain in the init_dmars() error path
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 v4.19.264 by commit 5cecfe151874b835331efe086bbdcaeaf64f6b90, it was introduced in version v4.2 by commit 86080ccc223aabf8d0b85a504f4f06aa88e82fb3. For more details please see the references link.
Which versions are affected by GSD-2022-1007474?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007474?
No fix has been published for GSD-2022-1007474 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-2022-1007474 being exploited?
There is no known exploitation of GSD-2022-1007474 in the wild and no public exploit code.