GSD-2022-1000793 riscv: fix oops caused by irqsoff latency tracer
A kernel oops in the RISC-V irqsoff latency tracer can cause a denial of service, requiring specific tracing configurations to trigger.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1000793?
GSD-2022-1000793 is a denial of service vulnerability in Kernel, published on 18 Mar 2022.
Official description
riscv: fix oops caused by irqsoff latency tracer
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 v5.15.26 by commit 1851b9a467065b18ec2cba156eea345206df1c8f, it was introduced in version v5.9 by commit 3c46979829824da5af8766d89fa877976bdae884. For more details please see the references link.
Which versions are affected by GSD-2022-1000793?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000793?
No fix has been published for GSD-2022-1000793 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-2022-1000793 being exploited?
There is no known exploitation of GSD-2022-1000793 in the wild and no public exploit code.