Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-27639.json
JSON Data
https://api.test.osv.dev/v1/vulns/AZL-27639
Upstream
Published
2023-07-24T16:15:11Z
Modified
2026-04-01T05:09:20.197257Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
CVE-2023-32257 affecting package hyperv-daemons for versions less than 5.15.145.2-1
Details

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 SMB2SESSIONSETUP and SMB2_LOGOFF 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.

References

Affected packages

Azure Linux:2 / hyperv-daemons

Package

Name
hyperv-daemons
Purl
pkg:rpm/azure-linux/hyperv-daemons

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.15.145.2-1

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-27639.json"