GSD-2022-1001197 RDMA/nldev: Prevent underflow in nldev_stat_set_counter_dynamic_doit()
A local attacker with high privileges can trigger an integer underflow in the RDMA nldev subsystem, potentially causing a denial of service.
- 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-2022-1001197?
GSD-2022-1001197 is a vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
RDMA/nldev: Prevent underflow in nldev_stat_set_counter_dynamic_doit()
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 v5.17.2 by commit 2a495ef04d5f42e6f00eb2bec1ee9075e3d5a771, it was introduced in version v5.16 by commit 3c3c1f1416392382faa0238e76a70d7810aab2ef. For more details please see the references link.
Which versions are affected by GSD-2022-1001197?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001197?
No fix has been published for GSD-2022-1001197 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1001197 being exploited?
There is no known exploitation of GSD-2022-1001197 in the wild and no public exploit code.