CVE-2022-50843 (GCVE-0-2022-50843)

Vulnerability from cvelistv5 – Published: 2025-12-30 12:11 – Updated: 2025-12-30 12:11
VLAI?
Title
dm clone: Fix UAF in clone_dtr()
Summary
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().
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 7431b7835f554f8608b415a02cf3c3f086309e02 , < 520b56cfd9faee7683f081c3a38f11a81b13a68e (git)
Affected: 7431b7835f554f8608b415a02cf3c3f086309e02 , < 342cfd8426dff4228e6c714bcb9fc8295a2748dd (git)
Affected: 7431b7835f554f8608b415a02cf3c3f086309e02 , < 856edd0e92f3fe89606b704c86a93daedddfe6ec (git)
Affected: 7431b7835f554f8608b415a02cf3c3f086309e02 , < b1ddb666073bb5f36390aaabaa1a4d48d78c52ed (git)
Affected: 7431b7835f554f8608b415a02cf3c3f086309e02 , < 9e113cd4f61f3b0000843b2d0a90ce8b40a1fcff (git)
Affected: 7431b7835f554f8608b415a02cf3c3f086309e02 , < e4b5957c6f749a501c464f92792f1c8e26b61a94 (git)
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    Linux Linux Affected: 5.4
Unaffected: 0 , < 5.4 (semver)
Unaffected: 5.4.229 , ≤ 5.4.* (semver)
Unaffected: 5.10.163 , ≤ 5.10.* (semver)
Unaffected: 5.15.87 , ≤ 5.15.* (semver)
Unaffected: 6.0.18 , ≤ 6.0.* (semver)
Unaffected: 6.1.4 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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