GSD-2022-1000556 net/smc: Avoid overwriting the copies of clcsock callback functions
A memory corruption vulnerability in the Linux Kernel SMC module allows attackers to potentially execute code or escalate privileges.
- 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-2022-1000556?
GSD-2022-1000556 is a memory corruption 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
net/smc: Avoid overwriting the copies of clcsock callback functions
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 v5.16.11 by commit f00b6c976ae0dfbd9b891175f713f59095d23842, it was introduced in version v5.16.8 by commit 504078fbe9dd570d685361b57784a6050bc40aaa. For more details please see the references link.
Which versions are affected by GSD-2022-1000556?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000556?
No fix has been published for GSD-2022-1000556 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2022-1000556 being exploited?
There is no known exploitation of GSD-2022-1000556 in the wild and no public exploit code.