GSD-2023-1002314 aio: fix mremap after fork null-deref
A null pointer dereference in the Linux kernel's aio subsystem allows local attackers to cause a denial of service via mremap after fork.
- 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-2023-1002314?
GSD-2023-1002314 is a vulnerability in Kernel, published on 7 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
aio: fix mremap after fork null-deref
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 v6.1.13 by commit af126acf01a12bdb04986fd26fc2eb3b40249e0d, it was introduced in version v3.19 by commit e4a0d3e720e7e508749c1439b5ba3aff56c92976. For more details please see the references link.
Which versions are affected by GSD-2023-1002314?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1002314?
No fix has been published for GSD-2023-1002314 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1002314 being exploited?
There is no known exploitation of GSD-2023-1002314 in the wild and no public exploit code.