GSD-2022-1004912 perf/core: Fix data race between perf_event_set_output() and perf_mmap_close()
A data race in the Linux kernel perf subsystem allows local attackers to cause denial of service or potentially escalate privileges.
- 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-2022-1004912?
GSD-2022-1004912 is a vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
perf/core: Fix data race between perf_event_set_output() and perf_mmap_close()
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 v4.9.325 by commit 3bbd868099287ff9027db59029b502fcfa2202a0, it was introduced in version v3.10 by commit 9bb5d40cd93c9dd4be74834b1dcb1ba03629716b. For more details please see the references link.
Which versions are affected by GSD-2022-1004912?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004912?
No fix has been published for GSD-2022-1004912 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004912 being exploited?
There is no known exploitation of GSD-2022-1004912 in the wild and no public exploit code.