GSD-2022-1005373 crypto: ccp - Use kzalloc for sev ioctl interfaces to prevent kernel memory leak
A local attacker can exploit uninitialized memory in the CCP driver to leak sensitive kernel data.
- 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-2022-1005373?
GSD-2022-1005373 is a vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
crypto: ccp - Use kzalloc for sev ioctl interfaces to prevent kernel memory leak
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 v5.19.2 by commit e11fb0a3a39bb42da35fa662c46ce7391f277436, it was introduced in version v5.13 by commit 38103671aad38e888743dd26c767869cfc15adca. For more details please see the references link.
Which versions are affected by GSD-2022-1005373?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005373?
No fix has been published for GSD-2022-1005373 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1005373 being exploited?
There is no known exploitation of GSD-2022-1005373 in the wild and no public exploit code.