GSD-2021-1002523 net: nexthop: fix null pointer dereference when IPv6 is not enabled
A null pointer dereference in the Linux kernel nexthop code can cause a denial of service when IPv6 is disabled.
- 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-2021-1002523?
GSD-2021-1002523 is a vulnerability in Kernel, published on 19 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net: nexthop: fix null pointer dereference when IPv6 is not enabled
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 v5.15.6 by commit 39509d76a9a3d02f379d52cb4b1449469c56c0e0, it was introduced in version v5.3 by commit 53010f991a9f5e4ed2db705ddde6ff32709192a2. For more details please see the references link.
Which versions are affected by GSD-2021-1002523?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002523?
No fix has been published for GSD-2021-1002523 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002523 being exploited?
There is no known exploitation of GSD-2021-1002523 in the wild and no public exploit code.