GSD-2021-1001756 net/smc: fix 'workqueue leaked lock' in smc_conn_abort_work
A race condition in the Linux Kernel SMC protocol can cause a workqueue lock leak, potentially leading to a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1001756?
GSD-2021-1001756 is a vulnerability in Kernel, published on 19 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
net/smc: fix 'workqueue leaked lock' in smc_conn_abort_work
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 v5.14.9 by commit 79816b227dab7ef8ed3d48203429c0d3d9ac99de, it was introduced in version v5.8 by commit b286a0651e4404ab96cdfdcdad8a839a26b3751e. For more details please see the references link.
Which versions are affected by GSD-2021-1001756?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001756?
No fix has been published for GSD-2021-1001756 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001756 being exploited?
There is no known exploitation of GSD-2021-1001756 in the wild and no public exploit code.