GSD-2021-1001940 isdn: mISDN: Fix sleeping function called from invalid context
A sleeping function called from invalid context in the mISDN driver can cause a kernel crash, requiring a patch to the Linux Kernel.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1001940?
GSD-2021-1001940 is a denial of service vulnerability in Kernel, published on 14 Nov 2021.
Official description
isdn: mISDN: Fix sleeping function called from invalid context
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 v4.9.288 by commit ef269a8808cb1759245a98a7fe16fceaebad894c. For more details please see the references link.
Which versions are affected by GSD-2021-1001940?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001940?
No fix has been published for GSD-2021-1001940 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-2021-1001940 being exploited?
There is no known exploitation of GSD-2021-1001940 in the wild and no public exploit code.