CVE-2026-46285

In the Linux kernel, the following vulnerability has been resolved: mtd: docg3: fix use-after-free in docg3_release() In docg3_release(), the docg3 pointer is obtained from cascade->floors[0]->priv before the loop that calls doc_release_device() on each floor. doc_release_device() frees the docg3 struct via kfree(docg3) at line 1881. After the loop, docg3->cascade->bch dereferences the already-freed pointer. Fix this by accessing cascade->bch directly, which is equivalent since docg3->cascade points back to the same cascade struct, and is already available as a local variable. This also removes the now-unused docg3 local variable.

• CWE-416

• https://git.kernel.org/stable/c/16f6588a3b7a2a20d10ad9b766be74c60ba347ccPatch
• https://git.kernel.org/stable/c/2bf706fe7831b319f23a85b9728f961cfed40c3ePatch
• https://git.kernel.org/stable/c/8408655ec8344511667b61d8257dc59c80ee3391Patch
• https://git.kernel.org/stable/c/ca19808bc6fac7e29420d8508df569b346b3e339Patch
• https://git.kernel.org/stable/c/d26f8c361f751c188b7ebaf8189aa0258968fd98Patch
• https://git.kernel.org/stable/c/d49628d63d4e6bbc8a1621afb88e5fc901611beePatch
• https://git.kernel.org/stable/c/d89044889ecd11b0c2f86663597246e9bdd25679Patch
• https://git.kernel.org/stable/c/f5d2ed4ed47d3906e2495a3537a48b127f497a17Patch

Published

Jun 8, 2026

Last Modified

Jul 23, 2026

Status

Analyzed

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