GSD-2021-1002756 selinux: fix sleeping function called from invalid context
A bug in the Linux kernel SELinux module causes a sleeping function call in invalid context, potentially leading to system instability or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1002756?
GSD-2021-1002756 is a denial of service vulnerability in Kernel, published on 27 Dec 2021.
Official description
selinux: 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 v5.15.11 by commit d1bac0d97bc9b18b7c077a66375cc4282d01c367, it was introduced in version v5.13 by commit 69c4a42d72eb9b41e1c6e4bc9ab7f3650bf35f62. For more details please see the references link.
Which versions are affected by GSD-2021-1002756?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002756?
No fix has been published for GSD-2021-1002756 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-2021-1002756 being exploited?
There is no known exploitation of GSD-2021-1002756 in the wild and no public exploit code.