by Kastro
Paper/Archive/CVE-2023-32254

CVE-2023-32254

Red Hat Red Hat Enterprise Linux 6 — Tree connection race condition remote code execution vulnerability

EPSS 3%CVSS 9.8
critical.is priorityof 100
47
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 87.0.870 × 2017.4No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the processing of SMB2_TREE_DISCONNECT commands. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to execute code in the context of the kernel.

Affected

ProductAffectedFixed inSource
kernelsee advisory6.4-rc1CNA
Red Hat Enterprise Linux 6see advisory–CNA
Red Hat Enterprise Linux 7see advisory–CNA
Red Hat Enterprise Linux 7see advisory–CNA
Red Hat Enterprise Linux 8see advisory–CNA
Red Hat Enterprise Linux 8see advisory–CNA
Red Hat Enterprise Linux 9see advisory–CNA
Red Hat Enterprise Linux 9see advisory–CNA
Fedorasee advisory–CNA

Scores by source

redhat (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refaccess.redhat.com/security/cve/CVE-2023-32254refbugzilla.redhat.com/show_bug.cgi?id=2191658refzerodayinitiative.com/advisories/ZDI-23-702refsecurity.netapp.com/advisory/ntap-20230824-0004