GSD-2022-1005996 iommu/vt-d: avoid invalid memory access via node_online(NUMA_NO_NODE)
A null pointer dereference in the Linux kernel IOMMU driver can cause a system crash, requiring a kernel patch to resolve.
- 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-2022-1005996?
GSD-2022-1005996 is a 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
iommu/vt-d: avoid invalid memory access via node_online(NUMA_NO_NODE)
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 v5.4.211 by commit b12304984654d8e58a2b22ff94c4410906d6267f, it was introduced in version v2.6.33 by commit ee34b32d8c2950f66038c8975747ef9aec855289. For more details please see the references link.
Which versions are affected by GSD-2022-1005996?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005996?
No fix has been published for GSD-2022-1005996 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1005996 being exploited?
There is no known exploitation of GSD-2022-1005996 in the wild and no public exploit code.