GSD-2022-1001338 net/smc: use memcpy instead of snprintf to avoid out of bounds read
An out-of-bounds read in the Linux kernel SMC protocol allows attackers to read memory or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1001338?
GSD-2022-1001338 is a memory corruption vulnerability in Kernel, published on 24 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
net/smc: use memcpy instead of snprintf to avoid out of bounds read
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 v5.11 by commit 8a4465368964b4fbaf084760c94c7aabf61059fb, it was introduced in version v5.11 by commit a3db10efcc4cc9c03a6375920179ade75ea2df7a. For more details please see the references link.
Which versions are affected by GSD-2022-1001338?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001338?
No fix has been published for GSD-2022-1001338 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-2022-1001338 being exploited?
There is no known exploitation of GSD-2022-1001338 in the wild and no public exploit code.