GSD-2022-1000681 perf/x86/intel/pt: Fix crash with stop filters in single-range mode
A local attacker can cause a kernel crash in the Intel PT driver by using stop filters in single-range mode, leading to denial of service.
- 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-2022-1000681?
GSD-2022-1000681 is a denial of service vulnerability in Kernel, published on 27 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
perf/x86/intel/pt: Fix crash with stop filters in single-range mode
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 v5.16.8 by commit feffb6ae2c80b9a8206450cdef90f5943baced99, it was introduced in version v5.5 by commit 670638477aede0d7a355ced04b569214aa3feacd. For more details please see the references link.
Which versions are affected by GSD-2022-1000681?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000681?
No fix has been published for GSD-2022-1000681 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-2022-1000681 being exploited?
There is no known exploitation of GSD-2022-1000681 in the wild and no public exploit code.