High severity7.5NVD Advisory· Published Aug 1, 2025· Updated Apr 15, 2026

CVE-2023-32256

Description

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.

Patches

abcc506a9a71

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.gitvia osv

Vulnerability mechanics

Generated by null/stub on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.

References

access.redhat.com/security/cve/CVE-2023-32256nvd
bugzilla.redhat.com/show_bug.cginvd
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/nvd
www.zerodayinitiative.com/advisories/ZDI-23-704/nvd

News mentions

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cvss	0.488
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000