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CVE-2023-32248

Tree connection null pointer dereference denial-of-service vulnerability

Published: Jul 24, 2023Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-476
7.5HIGH
NVD MITRE
EPSS Score
4.1%
Top 10.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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_TREE_CONNECT and SMB2_QUERY_INFO 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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-476

Affected Products

netapp
commercial·US
h300s
Hardware Firmware
h410c
Hardware Firmware
h410s
Hardware Firmware
h500s
Hardware Firmware
h700s
Hardware Firmware
linux
oss-projectaka the linux kernel
linux kernelOn-premOS
Operating Systems
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
LinuxOn-premOS
Operating Systems / linux-distro
АО «НППКТ»
commercial·RU
ОСОН ОСнова ОnyxOn-premOS
Operating Systems / linux-distro
and 6 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2023-32248?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Impact
Initial Access
View detailed technique mapping

References

https://access.redhat.com/security/cve/CVE-2023-32248
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2219818
bugzilla.redhat.com
https://security.netapp.com/advisory/ntap-20230915-0006/
security.netapp.com
and 28 more references View all →
News mentions
Could not load news mentions.

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