GSD-2021-1002012 isdn: cpai: check ctr->cnr to avoid array index out of bound
Missing bounds check in the Linux kernel ISDN CAPI driver can lead to an array index out of bounds error, potentially causing a crash.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1002012?
GSD-2021-1002012 is a vulnerability in Kernel, published on 14 Nov 2021.
Official description
isdn: cpai: check ctr->cnr to avoid array index out of bound
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 v5.4.156 by commit 285e9210b1fab96a11c0be3ed5cea9dd48b6ac54. For more details please see the references link.
Which versions are affected by GSD-2021-1002012?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002012?
No fix has been published for GSD-2021-1002012 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002012 being exploited?
There is no known exploitation of GSD-2021-1002012 in the wild and no public exploit code.