GSD-2023-1000828 udf: Discard preallocation before extending file with a hole
A flaw in the UDF filesystem allows local attackers to corrupt file data by extending files with holes without discarding preallocations.
- 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-2023-1000828?
GSD-2023-1000828 is a vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
udf: Discard preallocation before extending file with a hole
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 v6.0.15 by commit 38e053953add3b7c89712d5a2da56ffa4d3fc083. For more details please see the references link.
Which versions are affected by GSD-2023-1000828?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000828?
No fix has been published for GSD-2023-1000828 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1000828 being exploited?
There is no known exploitation of GSD-2023-1000828 in the wild and no public exploit code.