GSD-2021-1000227 RDMA/siw: Fix a use after free in siw_alloc_mr
A use-after-free vulnerability in the Linux Kernel RDMA/siw module could allow attackers to execute code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1000227?
GSD-2021-1000227 is an use after free vulnerability in Kernel, published on 31 May 2021.
Official description
RDMA/siw: Fix a use after free in siw_alloc_mr
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 v5.12.4 by commit ad9ce7188432650469a6c7625bf479f5ed0b6155, it was introduced in version v5.3 by commit 2251334dcac9eb337575d8767e2a6a7e81848f7f. For more details please see the references link.
Which versions are affected by GSD-2021-1000227?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000227?
No fix has been published for GSD-2021-1000227 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-2021-1000227 being exploited?
There is no known exploitation of GSD-2021-1000227 in the wild and no public exploit code.