GSD-2022-1006972 iommu/vt-d: Clean up si_domain in the init_dmars() error path
A memory management error in the Linux kernel IOMMU driver can lead to a denial of service during initialization failures.
- 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-2022-1006972?
GSD-2022-1006972 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 v5.15.76 by commit 0365d6af75f9f2696e94a0fef24a2c8464c037c8, it was introduced in version v4.2 by commit 86080ccc223aabf8d0b85a504f4f06aa88e82fb3. For more details please see the references link.
Which versions are affected by GSD-2022-1006972?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006972?
No fix has been published for GSD-2022-1006972 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-2022-1006972 being exploited?
There is no known exploitation of GSD-2022-1006972 in the wild and no public exploit code.