GSD-2022-1007789 tipc: fix the msg->req tlv len check in tipc_nl_compat_name_table_dump_header
A flaw in the Linux Kernel TIPC module allows local attackers to cause a denial of service via improper TLV length checks.
- 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-2022-1007789?
GSD-2022-1007789 is a denial of service 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 v6.0.9 by commit 6cee2c60bd168279852ac7dbe54c2b70d1028644, it was introduced in version v5.0 by commit 974cb0e3e7c963ced06c4e32c5b2884173fa5e01. For more details please see the references link.
Which versions are affected by GSD-2022-1007789?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007789?
No fix has been published for GSD-2022-1007789 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2022-1007789 being exploited?
There is no known exploitation of GSD-2022-1007789 in the wild and no public exploit code.