GSD-2021-1001741 s390/qeth: Fix deadlock in remove_discipline
A deadlock in the s390/qeth network driver can cause a system hang, requiring local high-privilege access to trigger.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1001741?
GSD-2021-1001741 is a denial of service vulnerability in Kernel, published on 19 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
s390/qeth: Fix deadlock in remove_discipline
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 v5.14.10 by commit 0184084365c4d0a99ddd2ab1e1d8dbf9fd3c4714, it was introduced in version v5.11 by commit b41b554c1ee75070a14c02a88496b1f231c7eacc. For more details please see the references link.
Which versions are affected by GSD-2021-1001741?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001741?
No fix has been published for GSD-2021-1001741 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-2021-1001741 being exploited?
There is no known exploitation of GSD-2021-1001741 in the wild and no public exploit code.