GSD-2023-1001263 ext4: fix leaking uninitialized memory in fast-commit journal
Local attackers can read uninitialized memory from the ext4 fast-commit journal, potentially exposing sensitive kernel data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1001263?
GSD-2023-1001263 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
ext4: fix leaking uninitialized memory in fast-commit journal
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 v5.10.163 by commit b8b7922374b00a44137e5bcdd46ef86c8b065f27, it was introduced in version v5.10 by commit aa75f4d3daaeb1389b9cce9d6b84401eaf228d4e. For more details please see the references link.
Which versions are affected by GSD-2023-1001263?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001263?
No fix has been published for GSD-2023-1001263 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1001263 being exploited?
There is no known exploitation of GSD-2023-1001263 in the wild and no public exploit code.