# CVE-2022-49893: linux: In the Linux kernel, the following vulnerability has been resolved:  cxl/region: Fix cxl_region leak, cleanup targets...

CVE-2022-49893 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49893, released May 1, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-49893
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0017
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 1, 2025

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.0.8-1 | [DEBIAN-CVE-2022-49893](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49893.md) | May 1, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.0.8-1 | [DEBIAN-CVE-2022-49893](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49893.md) | May 1, 2025 |
| Linux | linux Debian 14 | 6.0.8-1 | [DEBIAN-CVE-2022-49893](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49893.md) | May 1, 2025 |

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