GSD-2022-1003258 ip_gre: test csum_start instead of transport header
A bug in the Linux Kernel GRE tunnel implementation could lead to a denial of service due to incorrect checksum validation logic.
- 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-2022-1003258?
GSD-2022-1003258 is a vulnerability in Kernel, published on 28 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ip_gre: test csum_start instead of transport header
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 v5.15.47 by commit e6b6f98fc7605c06c0a3baa70f62c534d7b4ce58, it was introduced in version v5.15 by commit 8a0ed250f911da31a2aef52101bc707846a800ff. For more details please see the references link.
Which versions are affected by GSD-2022-1003258?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003258?
No fix has been published for GSD-2022-1003258 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1003258 being exploited?
There is no known exploitation of GSD-2022-1003258 in the wild and no public exploit code.