GSD-2022-1001894 crypto: ccp - Ensure psp_ret is always init'd in __sev_platform_init_locked()
A missing initialization in the Linux kernel's CCP driver can lead to a null pointer dereference, potentially causing 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-2022-1001894?
GSD-2022-1001894 is a vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
crypto: ccp - Ensure psp_ret is always init'd in __sev_platform_init_locked()
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 v5.15.33 by commit 0e67b3e1f93a6d368ab0cebce5b3ef5e6af785a1, it was introduced in version v5.15.17 by commit c0713b3017a8057819173830dc273c8fec4b0b77. For more details please see the references link.
Which versions are affected by GSD-2022-1001894?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001894?
No fix has been published for GSD-2022-1001894 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1001894 being exploited?
There is no known exploitation of GSD-2022-1001894 in the wild and no public exploit code.