GSD-2023-1001087 uio: uio_dmem_genirq: Fix missing unlock in irq configuration
A missing unlock in the uio_dmem_genirq driver can cause a deadlock, leading to denial of service for local attackers.
- 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-2023-1001087?
GSD-2023-1001087 is a denial of service vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
uio: uio_dmem_genirq: Fix missing unlock in irq configuration
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 v5.15.86 by commit 79a4bdb6b9920134af1a4738a1fa36a0438cd905, it was introduced in version v5.6 by commit b74351287d4bd90636c3f48bc188c2f53824c2d4. For more details please see the references link.
Which versions are affected by GSD-2023-1001087?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001087?
No fix has been published for GSD-2023-1001087 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-2023-1001087 being exploited?
There is no known exploitation of GSD-2023-1001087 in the wild and no public exploit code.