GSD-2022-1000156 net: fix information leakage in /proc/net/ptype
A local attacker can read sensitive network protocol information from /proc/net/ptype, leading to information disclosure.
- 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-2022-1000156?
GSD-2022-1000156 is a vulnerability in Kernel, published on 18 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net: fix information leakage in /proc/net/ptype
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 v5.4.176 by commit e372ecd455b6ebc7720f52bf4b5f5d44d02f2092, it was introduced in version v2.6.26 by commit 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50. For more details please see the references link.
Which versions are affected by GSD-2022-1000156?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000156?
No fix has been published for GSD-2022-1000156 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1000156 being exploited?
There is no known exploitation of GSD-2022-1000156 in the wild and no public exploit code.