CVE-2026-64384
smb: client: fix change notify replay double-free
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Description
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix change notify replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_notify_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/5821f9dbb8b5b24391850a13418e633edd0fb003
- https://git.kernel.org/stable/c/d684f4134998085702009b94c35c2003fc9e72d3
- https://git.kernel.org/stable/c/52af1975f0dfae990c5a0e85872cc41be0e88a68
- https://git.kernel.org/stable/c/901891513951bc8322ece754863909ea45af95c6
- https://git.kernel.org/stable/c/145f820dcbb2cced374f2532f8a61a44dce4a615
References (5)
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