GSD-2022-1005682 ksmbd: fix memory leak in smb2_handle_negotiate
A memory leak in the ksmbd SMB server allows remote attackers to cause a denial of service by exhausting kernel memory.
- 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-2022-1005682?
GSD-2022-1005682 is a denial of service vulnerability in Kernel, published on 17 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ksmbd: fix memory leak in smb2_handle_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 v5.15.61 by commit dd4e4c811898410e6a3ae3b63207b7c542860907, it was introduced in version v5.15 by commit e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9. For more details please see the references link.
Which versions are affected by GSD-2022-1005682?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005682?
No fix has been published for GSD-2022-1005682 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-2022-1005682 being exploited?
There is no known exploitation of GSD-2022-1005682 in the wild and no public exploit code.