GSD-2021-1001767 staging: greybus: uart: fix tty use after free
A use-after-free vulnerability in the Linux Kernel greybus UART driver could allow attackers to execute arbitrary code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1001767?
GSD-2021-1001767 is an use after free vulnerability in Kernel, published on 19 Oct 2021.
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 v5.14.9 by commit 9872ff6fdce8b229f01993b611b5d1719cb70ff1, it was introduced in version v4.9 by commit a18e15175708d39abbe9746ddc3479466b7800c3. For more details please see the references link.
Which versions are affected by GSD-2021-1001767?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001767?
No fix has been published for GSD-2021-1001767 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-2021-1001767 being exploited?
There is no known exploitation of GSD-2021-1001767 in the wild and no public exploit code.