GSD-2022-1003490 iommu/arm-smmu: fix possible null-ptr-deref in arm_smmu_device_probe()
A null pointer dereference in the Linux kernel ARM SMMU driver can cause a system crash during device probing.
- 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-2022-1003490?
GSD-2022-1003490 is a vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
iommu/arm-smmu: fix possible null-ptr-deref in arm_smmu_device_probe()
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 v5.10.122 by commit 3660db29b0305f9a1d95979c7af0f5db6ea99f5d. For more details please see the references link.
Which versions are affected by GSD-2022-1003490?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003490?
No fix has been published for GSD-2022-1003490 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1003490 being exploited?
There is no known exploitation of GSD-2022-1003490 in the wild and no public exploit code.