GSD-2022-1008247 ipv6: addrlabel: fix infoleak when sending struct ifaddrlblmsg to network
A local attacker can trigger an information leak in the Linux kernel IPv6 address label handling, exposing uninitialized memory contents.
- 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-2022-1008247?
GSD-2022-1008247 is a vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ipv6: addrlabel: fix infoleak when sending struct ifaddrlblmsg to network
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 v4.19.267 by commit 6d26d0587abccb9835382a0b53faa7b9b1cd83e3, it was introduced in version v2.6.25 by commit 2a8cc6c89039e0530a3335954253b76ed0f9339a. For more details please see the references link.
Which versions are affected by GSD-2022-1008247?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008247?
No fix has been published for GSD-2022-1008247 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1008247 being exploited?
There is no known exploitation of GSD-2022-1008247 in the wild and no public exploit code.