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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.

PUBLISHED Reserved 2025-05-01 | Published 2025-05-01 | Updated 2026-05-11 | Assigner Linux

Product status

Default status
unaffected

b9686e8c8e39d4072081ef078c04915ee51c8af4 (git) before 45d9fb4b758b9d602ee7776eb6754b0349946aad
affected

b9686e8c8e39d4072081ef078c04915ee51c8af4 (git) before 0d9e734018d70cecf79e2e4c6082167160a0f13f
affected

Default status
affected

6.0
affected

Any version before 6.0
unaffected

6.0.8 (semver)
unaffected

6.1 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/45d9fb4b758b9d602ee7776eb6754b0349946aad

git.kernel.org/...c/0d9e734018d70cecf79e2e4c6082167160a0f13f

cve.org (CVE-2022-49893)

nvd.nist.gov (CVE-2022-49893)

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