GSD-2021-1000567 net/sched: fq_pie: fix OOB access in the traffic path
An out-of-bounds access in the Linux kernel's fq_pie scheduler allows attackers to cause denial of service or potentially execute code.
- 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-2021-1000567?
GSD-2021-1000567 is a memory corruption vulnerability in Kernel, published on 4 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
net/sched: fq_pie: fix OOB access in the traffic path
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 v5.12.9 by commit 7a1bdec12e43e29cc34a4394590337069d8812ce, it was introduced in version v5.6 by commit ec97ecf1ebe485a17cd8395a5f35e6b80b57665a. For more details please see the references link.
Which versions are affected by GSD-2021-1000567?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000567?
No fix has been published for GSD-2021-1000567 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-2021-1000567 being exploited?
There is no known exploitation of GSD-2021-1000567 in the wild and no public exploit code.