CVE-2026-64385
smb: client: fix double-free in SMB2_ioctl() replay
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Description
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_ioctl() replay A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_ioctl_init() fails before the next send, cleanup retains the previous buffer type and frees that response again. Reset response bookkeeping before each attempt to prevent the stale free.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/0be4bc64882edaefaaee8d1e27d083643eb778e6
- https://git.kernel.org/stable/c/96fcfc8ae7359346156e492ca610e830d2649ad6
- https://git.kernel.org/stable/c/276c8efbc49f9303ac76d0d4deab7128581b0f3b
- https://git.kernel.org/stable/c/fc65ffb4ef1bf540da16b17c225ae51091e07d72
- https://git.kernel.org/stable/c/f9bbadb6c94583e3b4af1afc449bfceb1d1ddec9
References (5)
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