GSD-2022-1002744 erofs: fix buffer copy overflow of ztailpacking feature
A buffer overflow in the Linux Kernel's erofs filesystem allows local attackers to potentially execute code or cause a system crash.
- 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-2022-1002744?
GSD-2022-1002744 is a memory corruption vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
erofs: fix buffer copy overflow of ztailpacking feature
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 v5.18.3 by commit 6b59e1907f58cf877c563dcf013159eb9f994b64, it was introduced in version v5.17 by commit ab749badf9f41f32509cd103391b81ea7e684b76. For more details please see the references link.
Which versions are affected by GSD-2022-1002744?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002744?
No fix has been published for GSD-2022-1002744 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-2022-1002744 being exploited?
There is no known exploitation of GSD-2022-1002744 in the wild and no public exploit code.