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CVE-2022-50843

dm clone: Fix UAF in clone_dtr()

EPSS 0.2%
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().
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/342cfd8426dff4228e6c714bcb9fc8295a2748ddhttps://git.kernel.org/stable/c/520b56cfd9faee7683f081c3a38f11a81b13a68ehttps://git.kernel.org/stable/c/856edd0e92f3fe89606b704c86a93daedddfe6echttps://git.kernel.org/stable/c/9e113cd4f61f3b0000843b2d0a90ce8b40a1fcffhttps://git.kernel.org/stable/c/b1ddb666073bb5f36390aaabaa1a4d48d78c52edhttps://git.kernel.org/stable/c/e4b5957c6f749a501c464f92792f1c8e26b61a94