GSD-2022-1000239 drm/vmwgfx: Fix stale file descriptors on failed usercopy
A use-after-free vulnerability in the vmwgfx driver allows local attackers to escalate privileges or cause a denial of service.
- 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-2022-1000239?
GSD-2022-1000239 is an use after free vulnerability in Kernel, published on 18 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
drm/vmwgfx: Fix stale file descriptors on failed usercopy
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 v5.15.18 by commit 6066977961fc6f437bc064f628cf9b0e4571c56c, it was introduced in version v4.14 by commit c906965dee22d5e95d0651759ba107b420212a9f. For more details please see the references link.
Which versions are affected by GSD-2022-1000239?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000239?
No fix has been published for GSD-2022-1000239 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-2022-1000239 being exploited?
There is no known exploitation of GSD-2022-1000239 in the wild and no public exploit code.