GSD-2021-1000647 mld: fix panic in mld_newpack()
A panic in the Linux kernel's MLD packet handling allows remote attackers to cause a 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-2021-1000647?
GSD-2021-1000647 is a denial of service vulnerability in Kernel, published on 4 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
mld: fix panic in mld_newpack()
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 v4.19.193 by commit 4b77ad9097067b31237eeeee0bf70f80849680a0, it was introduced in version v2.6.35 by commit 72e09ad107e78d69ff4d3b97a69f0aad2b77280f. For more details please see the references link.
Which versions are affected by GSD-2021-1000647?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000647?
No fix has been published for GSD-2021-1000647 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-2021-1000647 being exploited?
There is no known exploitation of GSD-2021-1000647 in the wild and no public exploit code.