Session race condition remote code execution vulnerability
CVE-2023-32258

8.1HIGH

Key Information:

Vendor

Red Hat
Status
Kernel
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Vendor
CVE Published:
24 July 2023

What is CVE-2023-32258?

A vulnerability has been identified in the Linux kernel's ksmbd, which functions as a high-performance in-kernel SMB server. This flaw involves improper locking during the handling of SMB2_LOGOFF and SMB2_CLOSE commands. Due to this security lapse, an attacker could exploit the vulnerability to execute arbitrary code within the kernel context, potentially compromising system integrity and security.

Affected Version(s)

kernel 6.4-rc1

References

https://access.redhat.com/security/cve/CVE-2023-32258
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2219809
issue-trackingx_refsource_REDHAT
https://security.netapp.com/advisory/ntap-20230915-0011/

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2023-32258 : Session race condition remote code execution vulnerability