GSD-2022-1008305 tipc: fix the msg->req tlv len check in tipc_nl_compat_name_table_dump_header
A missing length check in the TIPC netlink compatibility layer allows local attackers to cause memory corruption, potentially leading to 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-2022-1008305?
GSD-2022-1008305 is a memory corruption vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
tipc: fix the msg->req tlv len check in tipc_nl_compat_name_table_dump_header
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 v4.14.300 by commit a0ead1d648df9c456baec832b494513ef405949a, it was introduced in version v4.14.95 by commit 2aae1723dea1235ffef183daf0694805297424f6. For more details please see the references link.
Which versions are affected by GSD-2022-1008305?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008305?
No fix has been published for GSD-2022-1008305 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-2022-1008305 being exploited?
There is no known exploitation of GSD-2022-1008305 in the wild and no public exploit code.