Vulnerability 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.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:H
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2023-32256
- https://bugzilla.redhat.com/show_bug.cgi?id=2385885
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ab
- https://www.zerodayinitiative.com/advisories/ZDI-23-704/
FAQ
What is CVE-2023-32256?
CVE-2023-32256 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.
How severe is CVE-2023-32256?
CVE-2023-32256 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-32256?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.