GSD-2023-1000472 tracing: Fix infinite loop in tracing_read_pipe on overflowed print_trace_line
A local attacker can cause a denial of service via an infinite loop in the Linux kernel tracing subsystem when processing overflowed trace lines.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1000472?
GSD-2023-1000472 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 v6.0.18 by commit e61e5ab5c583f8393d708370c73f8ee6ab481006, 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-2023-1000472?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000472?
No fix has been published for GSD-2023-1000472 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-2023-1000472 being exploited?
There is no known exploitation of GSD-2023-1000472 in the wild and no public exploit code.