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CVE-2023-32247

Session setup memory exhaustion denial-of-service vulnerability

Published: Jul 24, 2023Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-401
NVD MITRE
7.5CVSSHIGH
EPSS Score
3.9%
Top 11.2%
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 handling of SMB2_SESSION_SETUP commands. The issue results from the lack of control of resource consumption. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

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-401

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
АЛЬТ СП 10АО «ИВК»
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 «ивк»commercialRUOperating Systemsaka ivk
and 10 more affected products View all →

Exploitability

Official Patch Available

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://www.zerodayinitiative.com/advisories/ZDI-23-695/
zerodayinitiative.com
https://vuldb.com/?id.229340
vuldb.com
and 13 more references View all →

Timeline

Published
Jul 24, 2023
Last Updated
Nov 21, 2024

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