CVE-2023-32257
HighA 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_SESSION_SETUP 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.
CVSS 3.1 score
8.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type
CWE-362CVE-2023-32257 is a Race Condition vulnerability
What is Race Condition?
The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2023-32257 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Third Party Advisory
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Third Party Advisory VDB Entry
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PatchKernel patch commithttps://bugzilla.redhat.com/show_bug.cgi?id=2219806
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PatchKernel patch commithttps://www.zerodayinitiative.com/advisories/ZDI-CAN-20596/
Frequently asked questions
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What is CVE-2023-32257?
CVE-2023-32257 is a High severity Linux kernel vulnerability with a CVSS score of 8.1 out of 10 , classified as a Race Condition flaw (CWE-362) . CVE-2023-32257 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2023-32257?
CVE-2023-32257 has a CVSS score of 8.1 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2023-32257?
No patch is currently available for CVE-2023-32257. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2023-32257 actively exploited?
No — CVE-2023-32257 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is Race Condition (CWE-362)?
The product contains a code sequence that can run concurrently with other code, creating unexpected states. View CWE-362 on MITRE CWE →