CVE-2023-32256
HIGHRed Hat Enterprise Linux 6-10 - Use-After-Free in ksmbd Multichannel Connection Handling
Title source: llmDescription
A flaw was found in the Linux kernel's ksmbd component. A race condition between smb2 close operation and logoff in multichannel connections could result in a use-after-free issue.
References (4)
Core 4
Core References
Vendor Advisory vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2023-32256
Issue Tracking issue-tracking
x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2385885
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-704/
Scores
CVSS v3
7.5
EPSS
0.0009
EPSS Percentile
25.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-421
Status
published
Products (5)
Red Hat/Red Hat Enterprise Linux 10
Red Hat/Red Hat Enterprise Linux 6
Red Hat/Red Hat Enterprise Linux 7
Red Hat/Red Hat Enterprise Linux 8
Red Hat/Red Hat Enterprise Linux 9
Published
Aug 01, 2025
Tracked Since
Feb 18, 2026