GSD-2023-1001723 drm/msm/dp: do not complete dp_aux_cmd_fifo_tx() if irq is not for aux transfer
A flaw in the Linux Kernel DisplayPort driver may cause a denial of service if an unexpected interrupt occurs during auxiliary transfer.
- 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-2023-1001723?
GSD-2023-1001723 is a denial of service vulnerability in Kernel, published on 31 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
drm/msm/dp: do not complete dp_aux_cmd_fifo_tx() if irq is not for aux transfer
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 v6.1.7 by commit b7dcbca46db3c77fdb02c2a9d6239e5aa3b06a59, it was introduced in version v5.10 by commit c943b4948b5848fc0e07f875edbd35a973879e22. For more details please see the references link.
Which versions are affected by GSD-2023-1001723?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001723?
No fix has been published for GSD-2023-1001723 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2023-1001723 being exploited?
There is no known exploitation of GSD-2023-1001723 in the wild and no public exploit code.