Vulnerability in Fedora
CVE-2023-32254
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 opera…
Vulnerability class: Race Condition
EPSS: 0.001 (25.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Fedora
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- N/a Kernel — versions 6.4-rc1
Weakness classification (CWE)
References
- access.redhat.com/security/cve/CVE-2023-32254 (vdb-entry, x_refsource_REDHAT)
- RHBZ#2191658 (issue-tracking, x_refsource_REDHAT)
- www.zerodayinitiative.com/advisories/ZDI-23-702/
- security.netapp.com/advisory/ntap-20230824-0004/
Frequently asked questions
- What is CVE-2023-32254?
- CVE-2023-32254 is a critical-severity vulnerability in Fedora, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 9.8/10. Published 2023-07-10.
- How severe is CVE-2023-32254?
- Critical severity. CVSS v3 base score is 9.8 out of 10.