Riskcovery

CVE-2022-50843

dm clone: Fix UAF in clone_dtr()

State
Published
Severity
Not scored
Published
Dec 30, 2025
Updated
May 11, 2026
Reserved
Dec 30, 2025

Read the record on cve.org

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().

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 7431b7835f554f8608b415a02cf3c3f086309e02 to before 520b56cfd9faee7683f081c3a38f11a81b13a68eAffected
  • 7431b7835f554f8608b415a02cf3c3f086309e02 to before 342cfd8426dff4228e6c714bcb9fc8295a2748ddAffected
  • 7431b7835f554f8608b415a02cf3c3f086309e02 to before 856edd0e92f3fe89606b704c86a93daedddfe6ecAffected
  • 7431b7835f554f8608b415a02cf3c3f086309e02 to before b1ddb666073bb5f36390aaabaa1a4d48d78c52edAffected
  • 7431b7835f554f8608b415a02cf3c3f086309e02 to before 9e113cd4f61f3b0000843b2d0a90ce8b40a1fcffAffected
  • 7431b7835f554f8608b415a02cf3c3f086309e02 to before e4b5957c6f749a501c464f92792f1c8e26b61a94Affected
LinuxLinux
  • 5.4Affected
  • before 5.4Not affected
  • 5.4.229 through 5.4.*Not affected
  • 5.10.163 through 5.10.*Not affected
  • 5.15.87 through 5.15.*Not affected
  • 6.0.18 through 6.0.*Not affected
  • 6.1.4 through 6.1.*Not affected
  • 6.2 and laterNot affected

References

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