GSD-2022-1001981 net: ipv4: fix route with nexthop object delete warning
A warning in the Linux kernel IPv4 route deletion logic could lead to a denial of service, requiring a kernel patch.
- 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-2022-1001981?
GSD-2022-1001981 is a denial of service vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net: ipv4: fix route with nexthop object delete warning
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 v5.10.111 by commit 63ea57478aaa3e06a597081a0f537318fc04e49f, it was introduced in version v5.3 by commit 4c7e8084fd467ddb2b0e6c6011f9c1064afb7e56. For more details please see the references link.
Which versions are affected by GSD-2022-1001981?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001981?
No fix has been published for GSD-2022-1001981 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-2022-1001981 being exploited?
There is no known exploitation of GSD-2022-1001981 in the wild and no public exploit code.