GSD-2022-1000139 iommu/vt-d: Fix potential memory leak in intel_setup_irq_remapping()
A memory leak in the Linux kernel's IOMMU driver could allow an attacker to cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1000139?
GSD-2022-1000139 is a memory corruption vulnerability in Kernel, published on 18 Feb 2022.
Official description
iommu/vt-d: Fix potential memory leak in intel_setup_irq_remapping()
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 v4.19.228 by commit a31cb1f0fb6caf46ffe88c41252b6b7a4ee062d9, it was introduced in version v4.19.135 by commit c0c489e5430530a7021f4c889cd5931597e4b200. For more details please see the references link.
Which versions are affected by GSD-2022-1000139?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000139?
No fix has been published for GSD-2022-1000139 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-2022-1000139 being exploited?
There is no known exploitation of GSD-2022-1000139 in the wild and no public exploit code.