Vulnerability in Fedora
CVE-2023-32258
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_LOGOFF and SMB2_CLOSE commands. The issue results from the lack of proper locking when performing…
Vulnerability class: Race Condition
EPSS: 0.001 (28.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/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)
Public proof-of-concept exploits
References
- access.redhat.com/security/cve/CVE-2023-32258 (vdb-entry, x_refsource_REDHAT)
- RHBZ#2219809 (issue-tracking, x_refsource_REDHAT)
- security.netapp.com/advisory/ntap-20230915-0011/
- www.zerodayinitiative.com/advisories/ZDI-CAN-20796/
Frequently asked questions
- What is CVE-2023-32258?
- CVE-2023-32258 is a high-severity vulnerability in Fedora, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 8.1/10. Published 2023-07-24.
- How severe is CVE-2023-32258?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2023-32258 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.