GSD-2022-1000483 audit: don't deref the syscall args when checking the openat2 open_how::flags
A null pointer dereference in the Linux kernel audit subsystem allows local attackers to cause a 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-2022-1000483?
GSD-2022-1000483 is a vulnerability in Kernel, published on 27 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
audit: don't deref the syscall args when checking the openat2 open_how::flags
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 v5.16.10 by commit 310c9ddfdf1f8d3c9834f02175eae79c8b254b6c, it was introduced in version v5.16 by commit 1c30e3af8a79260cdba833a719209b01e6b92300. For more details please see the references link.
Which versions are affected by GSD-2022-1000483?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000483?
No fix has been published for GSD-2022-1000483 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1000483 being exploited?
There is no known exploitation of GSD-2022-1000483 in the wild and no public exploit code.