CRITICALVulnerability

CVE-2026-64386

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix query_info() replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_query_info_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.

Properties

severity
CRITICAL
score
9.8
cve_id
CVE-2026-64386
vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
published_at
2026-07-25T10:17:21.917
last_modified
2026-08-11T15:01:50.637

Related Entities (1)

DESCRIBED_BY (1)

[Source]NVD

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