GSD-2022-1005119 net: fix potential refcount leak in ndisc_router_discovery()
A refcount leak in the Linux kernel's IPv6 router discovery can lead to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1005119?
GSD-2022-1005119 is a denial of service vulnerability in Kernel, published on 16 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
net: fix potential refcount leak in ndisc_router_discovery()
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 v5.19.4 by commit 7998043d31d000c3a93f46182e6569dd0eecda34, it was introduced in version v5.12 by commit 6b2e04bc240fe9be9e690059f710e9f95346d34d. For more details please see the references link.
Which versions are affected by GSD-2022-1005119?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005119?
No fix has been published for GSD-2022-1005119 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-2022-1005119 being exploited?
There is no known exploitation of GSD-2022-1005119 in the wild and no public exploit code.