GSD-2022-1000702 net: fix up skbs delta_truesize in UDP GRO frag_list
A flaw in Linux Kernel UDP GRO handling allows remote attackers to cause memory corruption 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-2022-1000702?
GSD-2022-1000702 is a memory corruption 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
net: fix up skbs delta_truesize in UDP GRO frag_list
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 v5.16.13 by commit 334b4736a22bfd482c71bfc13375248362b08768, it was introduced in version v5.11 by commit 53475c5dd856212e91538a9501162e821cc1f791. For more details please see the references link.
Which versions are affected by GSD-2022-1000702?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000702?
No fix has been published for GSD-2022-1000702 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2022-1000702 being exploited?
There is no known exploitation of GSD-2022-1000702 in the wild and no public exploit code.