GSD-2021-1000847 perf: Fix data race between pin_count increment/decrement
A data race in the Linux kernel perf subsystem allows local attackers to potentially escalate privileges or cause a 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-2021-1000847?
GSD-2021-1000847 is a vulnerability in Kernel, published on 30 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
perf: Fix data race between pin_count increment/decrement
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 v4.9.273 by commit 0c78dc6cbd99cad6445e1981211efc9bbbd56596, it was introduced in version v2.6.39 by commit fe4b04fa31a6dcf4358aa84cf81e5a7fd079469b. For more details please see the references link.
Which versions are affected by GSD-2021-1000847?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000847?
No fix has been published for GSD-2021-1000847 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000847 being exploited?
There is no known exploitation of GSD-2021-1000847 in the wild and no public exploit code.