CVE-2026-64382
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.
Affected versions
Linux kernel versions
6.6.32,
6.8
and later are affected. Fixed in
6.6.145,
6.12.96,
6.18.39,
7.1.4,
7.2-rc1
and their respective stable series.
References
5 totalFrequently asked questions
-
What is CVE-2026-64382?
CVE-2026-64382 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.6.32 onward and has been patched in 6.6.145, 6.12.96, 6.18.39 and others. CVE-2026-64382 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
-
Is there a patch available for CVE-2026-64382?
Yes. CVE-2026-64382 has been patched. Fixed versions include 6.6.145, 6.12.96, 6.18.39 and others. If you are running Linux kernel 6.6.32 or later up to the fix versions, apply the relevant patch for your kernel branch.
-
Is CVE-2026-64382 actively exploited?
No. CVE-2026-64382 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.