CVE-2022-49893

cxl/region: Fix cxl_region leak, cleanup targets at region delete

Description

In the Linux kernel, the following vulnerability has been resolved: cxl/region: Fix cxl_region leak, cleanup targets at region delete When a region is deleted any targets that have been previously assigned to that region hold references to it. Trigger those references to drop by detaching all targets at unregister_region() time. Otherwise that region object will leak as userspace has lost the ability to detach targets once region sysfs is torn down.

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/45d9fb4b758b9d602ee7776eb6754b0349946aad
https://git.kernel.org/stable/c/0d9e734018d70cecf79e2e4c6082167160a0f13f

Frequently Asked Questions

What is the severity of CVE-2022-49893?: CVE-2022-49893 has not yet been assigned a CVSS score.
How to fix CVE-2022-49893?: To fix CVE-2022-49893, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-49893 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-49893 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-49893?: CVE-2022-49893 affects Linux Linux, Linux Linux.

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