GSD-2021-1001519 staging: greybus: uart: fix tty use after free
A use-after-free vulnerability in the Linux Kernel greybus UART driver could allow local attackers to execute code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Local or same network only
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1001519?
GSD-2021-1001519 is an use after free vulnerability in Kernel, published on 19 Oct 2021. It can only be exploited from the same machine or local network.
Official description
staging: greybus: uart: fix tty use after free
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 v4.9.285 by commit 92b67aaafb7c449db9f0c3dcabc0ff967cb3a42d, it was introduced in version v4.9 by commit a18e15175708d39abbe9746ddc3479466b7800c3. For more details please see the references link.
Which versions are affected by GSD-2021-1001519?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001519?
No fix has been published for GSD-2021-1001519 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-2021-1001519 being exploited?
There is no known exploitation of GSD-2021-1001519 in the wild and no public exploit code.