GSD-2022-1001970 RDMA/hfi1: Fix use-after-free bug for mm struct
A use-after-free bug in the Linux Kernel RDMA hfi1 driver could allow attackers to execute code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1001970?
GSD-2022-1001970 is an use after free vulnerability in Kernel, published on 24 Apr 2022.
Official description
RDMA/hfi1: Fix use-after-free bug for mm struct
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 v5.10.111 by commit 5f54364ff6cfcd14cddf5441c4a490bb28dd69f7, it was introduced in version v5.10 by commit 3d2a9d642512c21a12d19b9250e7a835dcb41a79. For more details please see the references link.
Which versions are affected by GSD-2022-1001970?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001970?
No fix has been published for GSD-2022-1001970 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-2022-1001970 being exploited?
There is no known exploitation of GSD-2022-1001970 in the wild and no public exploit code.