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.

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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

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