In the Linux kernel, the following vulnerability has been resolved:

dm clone: Fix UAF in clone_dtr()

Dm_clone also has the same UAF problem when dm_resume()
and dm_destroy() are concurrent.

Therefore, cancelling timer again in clone_dtr().
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Tue, 30 Dec 2025 12:30:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: dm clone: Fix UAF in clone_dtr() Dm_clone also has the same UAF problem when dm_resume() and dm_destroy() are concurrent. Therefore, cancelling timer again in clone_dtr().
Title dm clone: Fix UAF in clone_dtr()
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-12-30T12:11:01.130Z

Reserved: 2025-12-30T12:06:07.133Z

Link: CVE-2022-50843

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2025-12-30T13:15:58.903

Modified: 2025-12-30T13:15:58.903

Link: CVE-2022-50843

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.