GSD-2021-1000497 nvme-loop: fix memory leak in nvme_loop_create_ctrl()
A memory leak in the Linux kernel NVMe loop driver allows local attackers to cause resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1000497?
GSD-2021-1000497 is a memory corruption vulnerability in Kernel, published on 31 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
nvme-loop: fix memory leak in nvme_loop_create_ctrl()
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 v5.12.7 by commit 551ba08d4b7eb26f75758cdb9f15105b276517ad, it was introduced in version v4.8 by commit 3a85a5de29ea779634ddfd768059e06196687aba. For more details please see the references link.
Which versions are affected by GSD-2021-1000497?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000497?
No fix has been published for GSD-2021-1000497 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-2021-1000497 being exploited?
There is no known exploitation of GSD-2021-1000497 in the wild and no public exploit code.