GSD-2021-1000418 RDMA/siw: Fix a use after free in siw_alloc_mr
A use-after-free vulnerability in the Linux Kernel RDMA/siw module allows attackers to potentially execute code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1000418?
GSD-2021-1000418 is an use after free vulnerability in Kernel, published on 31 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
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 v5.4.119 by commit 30b9e92d0b5e5d5dc1101ab856c17009537cbca4, it was introduced in version v5.3 by commit 2251334dcac9eb337575d8767e2a6a7e81848f7f. For more details please see the references link.
Which versions are affected by GSD-2021-1000418?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000418?
No fix has been published for GSD-2021-1000418 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-2021-1000418 being exploited?
There is no known exploitation of GSD-2021-1000418 in the wild and no public exploit code.