GSD-2022-1006521 wireguard: netlink: avoid variable-sized memcpy on sockaddr
A variable-sized memcpy issue in the WireGuard netlink interface can lead to memory corruption, potentially causing denial of service or code execution.
- 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-2022-1006521?
GSD-2022-1006521 is a memory corruption vulnerability in Kernel, published on 9 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
wireguard: netlink: avoid variable-sized memcpy on sockaddr
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 v5.19.12 by commit 92f7d44de3be22576efe2e223f3a8dccafa053c8, it was introduced in version v5.6 by commit e7096c131e5161fa3b8e52a650d7719d2857adfd. For more details please see the references link.
Which versions are affected by GSD-2022-1006521?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006521?
No fix has been published for GSD-2022-1006521 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-2022-1006521 being exploited?
There is no known exploitation of GSD-2022-1006521 in the wild and no public exploit code.