HOMEVULNERABILITIESCVE-2023-32252
HIGH

CVE-2023-32252

CWE-476Published: July 24, 2023· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2_LOGOFF commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

NVD Source

Technical Analysis

CVE-2023-32252 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

Linux1 product(s)
linux kernel
netapp10 product(s)
h300sh300s firmwareh500sh500s firmwareh700sh700s firmwareh410sh410s firmwareh410ch410c firmware
Source: NVD CPE · 11 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://bugzilla.redhat.com/show_bug.cgi?id=2219815
PATCHhttps://www.zerodayinitiative.com/advisories/ZDI-CAN-20590/
PATCHhttps://bugzilla.redhat.com/show_bug.cgi?id=2219815
PATCHhttps://www.zerodayinitiative.com/advisories/ZDI-CAN-20590/
ADVISORYhttps://access.redhat.com/security/cve/CVE-2023-32252
ADVISORYhttps://security.netapp.com/advisory/ntap-20231124-0001/
ADVISORYhttps://access.redhat.com/security/cve/CVE-2023-32252
ADVISORYhttps://security.netapp.com/advisory/ntap-20231124-0001/

All References (8)

→
https://access.redhat.com/security/cve/CVE-2023-32252Third Party Advisory · VDB Entry
→
https://bugzilla.redhat.com/show_bug.cgi?id=2219815Issue Tracking · Patch · Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20231124-0001/Third Party Advisory
→
https://www.zerodayinitiative.com/advisories/ZDI-CAN-20590/Patch · Third Party Advisory · VDB Entry
→
https://access.redhat.com/security/cve/CVE-2023-32252Third Party Advisory · VDB Entry
→
https://bugzilla.redhat.com/show_bug.cgi?id=2219815Issue Tracking · Patch · Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20231124-0001/Third Party Advisory
→
https://www.zerodayinitiative.com/advisories/ZDI-CAN-20590/Patch · Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2023-32252
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-476
CISA KEVNo
Affected2 vendor(s)
PublishedJul 24, 2023

Related CVEs (CWE-476)

CVE-2010-2495
10.0
CVE-2022-36648
10.0
CVE-2017-14532
9.8
CVE-2014-9972
9.8
CVE-2015-8592
9.8
CVE-2015-9072
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-32252 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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