GSD-2022-1004761 tty: goldfish: Fix free_irq() on remove
A use-after-free vulnerability in the Goldfish TTY driver allows local attackers to cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1004761?
GSD-2022-1004761 is an use after free vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
tty: goldfish: Fix free_irq() on remove
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 v5.4.200 by commit f7183c76d500324b8b5bd0af5e663cfa57b7b836, it was introduced in version v4.6 by commit 465893e18878e119d8d0255439fad8debbd646fd. For more details please see the references link.
Which versions are affected by GSD-2022-1004761?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004761?
No fix has been published for GSD-2022-1004761 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-2022-1004761 being exploited?
There is no known exploitation of GSD-2022-1004761 in the wild and no public exploit code.