GSD-2022-1002618 ksmbd: fix reference count leak in smb_check_perm_dacl()
A reference count leak in the ksmbd kernel module can lead to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1002618?
GSD-2022-1002618 is a memory corruption vulnerability in Kernel, published on 28 Jun 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
ksmbd: fix reference count leak in smb_check_perm_dacl()
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 v5.18.4 by commit 9758a6653c27867d810de02b4e5697163dda9883, it was introduced in version v5.15 by commit 777cad1604d68ed4379ec899d1f7d2f6a29f01f0. For more details please see the references link.
Which versions are affected by GSD-2022-1002618?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002618?
No fix has been published for GSD-2022-1002618 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-2022-1002618 being exploited?
There is no known exploitation of GSD-2022-1002618 in the wild and no public exploit code.