GSD-2022-1000774 xfrm: fix MTU regression
A regression in the Linux kernel's xfrm subsystem can cause MTU issues, potentially leading to denial of service for network traffic.
- 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-2022-1000774?
GSD-2022-1000774 is a denial of service vulnerability in Kernel, published on 18 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
xfrm: fix MTU regression
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 v5.15.27 by commit 75cbedd333431381ef309c5b0968582c7ba4c8ee, it was introduced in version v4.15 by commit 749439bfac6e1a2932c582e2699f91d329658196. For more details please see the references link.
Which versions are affected by GSD-2022-1000774?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000774?
No fix has been published for GSD-2022-1000774 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-2022-1000774 being exploited?
There is no known exploitation of GSD-2022-1000774 in the wild and no public exploit code.