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CVE-2023-32254

Tree connection race condition remote code execution vulnerability

Published: Jul 10, 2023Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-362
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
2.9%
Top 14.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A 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_TREE_DISCONNECT 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 Vector Breakdown

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

Weaknesses

CWE-362

Affected Products

Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
ОСОН ОСнова ОnyxАО «НППКТ»
On-premOS
Operating Systems / linux-distro
kerneln/a
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
ооо «ред софт»commercialRUOperating Systemsaka red soft
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
ао «нппкт»commercialRUOperating Systems
and 11 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://www.news.de/technik/856917075/linux-kernel-ksmbd-gefaehrdet-it-sicherheitswarnung-vom-bsi-und-bug-report-betroffene-systeme-und-produkte-neue-versionen-und-updates/1/
news.de
https://vuldb.com/ru/?id.229332
vuldb.com
https://github.com/torvalds/linux/commit/30210947a343b6b3ca13adc9bfc88e1543e16dd5
github.com
and 14 more references View all →

Timeline

Published
Jul 10, 2023
Last Updated
Nov 21, 2024

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