GSD-2021-1000179 irqchip/gic-v3: Do not enable irqs when handling spurious interrups
A flaw in the Linux Kernel GICv3 interrupt handler could allow attackers to cause a denial of service by triggering spurious interrupts.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1000179?
GSD-2021-1000179 is a denial of service vulnerability in Kernel, published on 31 May 2021.
Official description
irqchip/gic-v3: Do not enable irqs when handling spurious interrups
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 v5.4.118 by commit e7ea8e46e3b777be26aa855fe07778c415f24926, it was introduced in version v5.1 by commit 3f1f3234bc2db1c16b9818b9a15a5d58ad45251c. For more details please see the references link.
Which versions are affected by GSD-2021-1000179?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000179?
No fix has been published for GSD-2021-1000179 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-2021-1000179 being exploited?
There is no known exploitation of GSD-2021-1000179 in the wild and no public exploit code.