GSD-2022-1006091 smb3: check xattr value length earlier
A missing length check in the Linux Kernel SMB3 implementation could allow a local attacker to cause a denial of service via crafted extended attributes.
- 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-2022-1006091?
GSD-2022-1006091 is a vulnerability in Kernel, published on 17 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
smb3: check xattr value length earlier
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 v4.19.256 by commit 7e146d0cdc936e2b2a3f45abf5bd922893074c54. For more details please see the references link.
Which versions are affected by GSD-2022-1006091?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006091?
No fix has been published for GSD-2022-1006091 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1006091 being exploited?
There is no known exploitation of GSD-2022-1006091 in the wild and no public exploit code.