CVE-2026-64382
smb: client: fix double-free in SMB2_open() replay
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_open() replay A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_open_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 < 02bc2896bdc3e29362d6e40d404006944a159c25 4f1fffa2376922f3d1d506e49c0fd445b023a28e < 3196b5192f246df4272072f61a2f4a3e9967f55d 4f1fffa2376922f3d1d506e49c0fd445b023a28e < 14498ff5ce0f272ce0ef988721413e06b7038972 4f1fffa2376922f3d1d506e49c0fd445b023a28e < ff2d30927bc3bf3c629f0768d2068096e64ef5ce 4f1fffa2376922f3d1d506e49c0fd445b023a28e < b55e182f2324bc6a604c21a47aa6c448f719a532 6.6.32 < 6.6.145
Linux / Linux
6.8
References
git.kernel.org: https://git.kernel.org/stable/c/02bc2896bdc3e29362d6e40d404006944a159c25 git.kernel.org: https://git.kernel.org/stable/c/3196b5192f246df4272072f61a2f4a3e9967f55d git.kernel.org: https://git.kernel.org/stable/c/14498ff5ce0f272ce0ef988721413e06b7038972 git.kernel.org: https://git.kernel.org/stable/c/ff2d30927bc3bf3c629f0768d2068096e64ef5ce git.kernel.org: https://git.kernel.org/stable/c/b55e182f2324bc6a604c21a47aa6c448f719a532