GSD-2023-1000214 af_unix: Get user_ns from in_skb in unix_diag_get_exact().
A local attacker can potentially read sensitive user namespace information via the unix_diag interface in the Linux kernel.
- 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-2023-1000214?
GSD-2023-1000214 is a vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
af_unix: Get user_ns from in_skb in unix_diag_get_exact().
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 v5.10.159 by commit 575a6266f63dbb3b8eb1da03671451f0d81b8034, it was introduced in version v5.3 by commit cae9910e73446cac68a54e3a7b02aaa12b689026. For more details please see the references link.
Which versions are affected by GSD-2023-1000214?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000214?
No fix has been published for GSD-2023-1000214 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1000214 being exploited?
There is no known exploitation of GSD-2023-1000214 in the wild and no public exploit code.