GSD-2022-1005391 cifs: fix small mempool leak in SMB2_negotiate()
A memory leak in the Linux kernel's SMB2 negotiation allows attackers to cause a denial of service by exhausting memory resources.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1005391?
GSD-2022-1005391 is a denial of service vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
cifs: fix small mempool leak in SMB2_negotiate()
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 v5.15.66 by commit 9e3c9efa7caf16e5acc05eab5e4d0a714e1610b0. For more details please see the references link.
Which versions are affected by GSD-2022-1005391?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005391?
No fix has been published for GSD-2022-1005391 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2022-1005391 being exploited?
There is no known exploitation of GSD-2022-1005391 in the wild and no public exploit code.