CVE-2026-64384
smb: client: fix change notify replay double-free
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 25, 2026 |
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Affected Versions
Linux / Linux
433042a91f9373241307725b52de573933ffedbf < 5821f9dbb8b5b24391850a13418e633edd0fb003 4f1fffa2376922f3d1d506e49c0fd445b023a28e < d684f4134998085702009b94c35c2003fc9e72d3 4f1fffa2376922f3d1d506e49c0fd445b023a28e < 52af1975f0dfae990c5a0e85872cc41be0e88a68 4f1fffa2376922f3d1d506e49c0fd445b023a28e < 901891513951bc8322ece754863909ea45af95c6 4f1fffa2376922f3d1d506e49c0fd445b023a28e < 145f820dcbb2cced374f2532f8a61a44dce4a615 6.6.32 < 6.6.145
Linux / Linux
6.8
References
git.kernel.org: https://git.kernel.org/stable/c/5821f9dbb8b5b24391850a13418e633edd0fb003 git.kernel.org: https://git.kernel.org/stable/c/d684f4134998085702009b94c35c2003fc9e72d3 git.kernel.org: https://git.kernel.org/stable/c/52af1975f0dfae990c5a0e85872cc41be0e88a68 git.kernel.org: https://git.kernel.org/stable/c/901891513951bc8322ece754863909ea45af95c6 git.kernel.org: https://git.kernel.org/stable/c/145f820dcbb2cced374f2532f8a61a44dce4a615