GSD-2023-1000895 ext4: fix kernel BUG in 'ext4_write_inline_data_end()'
A local attacker can trigger a kernel BUG in ext4 inline data handling, causing a system crash and denial of service.
- 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-2023-1000895?
GSD-2023-1000895 is a denial of service 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
ext4: fix kernel BUG in 'ext4_write_inline_data_end()'
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 v5.15.87 by commit 6380a93b57dbdea6df19e550491de4dd78ff4c63, it was introduced in version v3.8 by commit f19d5870cbf72d4cb2a8e1f749dff97af99b071e. For more details please see the references link.
Which versions are affected by GSD-2023-1000895?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000895?
No fix has been published for GSD-2023-1000895 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-2023-1000895 being exploited?
There is no known exploitation of GSD-2023-1000895 in the wild and no public exploit code.