GSD-2023-1000922 tracing: Fix infinite loop in tracing_read_pipe on overflowed print_trace_line
An infinite loop in the Linux kernel tracing pipe allows local attackers to cause a 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-2023-1000922?
GSD-2023-1000922 is a denial of service vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
tracing: Fix infinite loop in tracing_read_pipe on overflowed print_trace_line
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 v5.15.87 by commit 4f5de49d8c52c223a35c062a93c66ddfd3f3d5a4, it was introduced in version v2.6.27 by commit 088b1e427dbba2af93cb6a7d39258c10ff58dd27. For more details please see the references link.
Which versions are affected by GSD-2023-1000922?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000922?
No fix has been published for GSD-2023-1000922 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-2023-1000922 being exploited?
There is no known exploitation of GSD-2023-1000922 in the wild and no public exploit code.