GSD-2022-1004983 net/sched: fix netdevice reference leaks in attach_default_qdiscs()
A reference leak in the Linux kernel network scheduler can lead to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1004983?
GSD-2022-1004983 is a memory corruption vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net/sched: fix netdevice reference leaks in attach_default_qdiscs()
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 v5.19.8 by commit 0c6c522857151ac00150fd01baeebf231fb7d142, it was introduced in version v5.8 by commit bf6dba76d278d296b385b436d3ac7de56c190d44. For more details please see the references link.
Which versions are affected by GSD-2022-1004983?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004983?
No fix has been published for GSD-2022-1004983 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2022-1004983 being exploited?
There is no known exploitation of GSD-2022-1004983 in the wild and no public exploit code.