GSD-2023-1000463 media: dvb-core: Fix double free in dvb_register_device()
A double free vulnerability in the Linux kernel's DVB core allows local attackers to cause denial of service or potentially escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1000463?
GSD-2023-1000463 is an use after free 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
media: dvb-core: Fix double free in dvb_register_device()
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 v6.0.18 by commit 772892b29ac50c2c5e918fc80104aa6ede81d837, it was introduced in version v5.4 by commit fcd5ce4b3936242e6679875a4d3c3acfc8743e15. For more details please see the references link.
Which versions are affected by GSD-2023-1000463?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000463?
No fix has been published for GSD-2023-1000463 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2023-1000463 being exploited?
There is no known exploitation of GSD-2023-1000463 in the wild and no public exploit code.