Vulnerability in Linux
CVE-2022-49893
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.
EPSS: 0.001 (4.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux — versions b9686e8c8e39d4072081ef078c04915ee51c8af4, 6.0, 0
- Linux Linux_kernel — versions 6.1
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2022-49893?
- CVE-2022-49893 is a medium-severity vulnerability in Linux, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2025-05-01.
- How severe is CVE-2022-49893?
- Medium severity. CVSS v3 base score is 5.5 out of 10.