GSD-2022-1002691 iommu/arm-smmu-v3-sva: Fix mm use-after-free
A use-after-free vulnerability in the Linux Kernel's ARM SMMU driver allows local attackers to potentially escalate privileges or cause a system crash.
- 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-2022-1002691?
GSD-2022-1002691 is an use after free 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-v3-sva: Fix mm use-after-free
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 v5.18.3 by commit 9aa215450888cf29af0c479e14a712dc6b0c506c, it was introduced in version v5.11 by commit 32784a9562fb0518b12e9797ee2aec52214adf6f. For more details please see the references link.
Which versions are affected by GSD-2022-1002691?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002691?
No fix has been published for GSD-2022-1002691 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2022-1002691 being exploited?
There is no known exploitation of GSD-2022-1002691 in the wild and no public exploit code.