GSD-2022-1007760 io_uring: calculate CQEs from the user visible value
A logic error in the Linux kernel io_uring subsystem allows incorrect completion queue entry calculation, potentially leading to undefined behavior or local exploitation.
- 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-2022-1007760?
GSD-2022-1007760 is a vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
io_uring: calculate CQEs from the user visible value
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 v6.0.10 by commit 616a725c62e9c42d5073fbd1045832eae64a2ca5, it was introduced in version v5.6 by commit ad3eb2c89fb24d14ac81f43eff8e85fece2c934d. For more details please see the references link.
Which versions are affected by GSD-2022-1007760?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007760?
No fix has been published for GSD-2022-1007760 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1007760 being exploited?
There is no known exploitation of GSD-2022-1007760 in the wild and no public exploit code.