GSD-2023-1001240 perf tools: Fix resources leak in perf_data__open_dir()
A resource leak in the Linux kernel perf tools can lead to denial of service, requiring local access to exploit.
- 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-2023-1001240?
GSD-2023-1001240 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
perf tools: Fix resources leak in perf_data__open_dir()
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 v5.10.163 by commit bc6a0993bf8f026d8b67fcee9f75e6619324b5bb, it was introduced in version v5.1 by commit eb6176709b235b96511c7b4745c30412568395c7. For more details please see the references link.
Which versions are affected by GSD-2023-1001240?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001240?
No fix has been published for GSD-2023-1001240 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-2023-1001240 being exploited?
There is no known exploitation of GSD-2023-1001240 in the wild and no public exploit code.