GSD-2022-1000772 bpf, sockmap: Do not ignore orig_len parameter
A bug in the Linux kernel sockmap implementation ignores the original length parameter, potentially leading to undefined behavior or memory issues.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1000772?
GSD-2022-1000772 is a vulnerability in Kernel, published on 18 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
bpf, sockmap: Do not ignore orig_len parameter
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 00c74b587197b0c503a8b1057a464ad13462444f, it was introduced in version v5.10 by commit ef5659280eb13e8ac31c296f58cfdfa1684ac06b. For more details please see the references link.
Which versions are affected by GSD-2022-1000772?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000772?
No fix has been published for GSD-2022-1000772 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1000772 being exploited?
There is no known exploitation of GSD-2022-1000772 in the wild and no public exploit code.