PT-2026-64607

CVE-2026-64386

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Published

2026-07-25

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Updated

2026-10-21

Description by

CVSS 3.1
9.8
Critical
MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description A double-free issue exists in the SMB client. A response-bearing attempt can return a replayable error and free its response buffer. If the SMB2 query info init() function fails before the subsequent send, the cleanup process retains the previous buffer type and frees the response buffer a second time.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Impacts
Vendors
Affected products
Weakness enumeration
Related identifiers
ALSA-2026:57251
ALSA-2026:57252
AZL-93767
CLSA-2026-1791800936
OESA-2026-3704
OPENSUSE-SU-2026:11476-1
OPENSUSE-SU-2026:21910-1
SUSE-SU-2026:23477-1
SUSE-SU-2026:23481-1
SUSE-SU-2026:23528-1
SUSE-SU-2026:23529-1
SUSE-SU-2026:23881-1
SUSE-SU-2026:23887-1
SUSE-SU-2026:23897-1
SUSE-SU-2026:23902-1
SUSE-SU-2026:4120-1
SUSE-SU-2026:4254-1
SUSE-SU-2026:4369-1
USN-8726-1
USN-8726-2
USN-8726-3
USN-8726-4
USN-8727-1
USN-8728-1
USN-8728-2
USN-8728-3
USN-8760-1
USN-8760-2
USN-8781-1
USN-8800-1
USN-8917-1
USN-8918-1
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