CVE-2023-32248

highpriority · track · 31EPSS 0.041 · 91 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

4.06% (91st) EPSS

CVSS 7.5 · high

Is it mine?

21 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · secalert@redhat.com USexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-476USprimaryCWE-476US

affected products (21)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Open Source Linux Kernelall versionscert_bundDEcpe:/o:linux:linux_kernel:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
АО «НППКТ» ОСОН ОСнова Оnyx≤ 2.9fstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 7.3fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 4.7fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 1.7fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 1.6 «Смоленск»fstec_bduRU
Сообщество свободного программного обеспечения Linux5.15.0 → 5.15.110fstec_bduRU
Сообщество свободного программного обеспечения Linux5.16 → 6.1.27fstec_bduRU
Сообщество свободного программного обеспечения Linux6.2.0 → 6.2.14fstec_bduRU
Сообщество свободного программного обеспечения Linux6.3.0 → 6.3.1fstec_bduRU
linux linux kernel5.15 → 5.15.111nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel5.16 → 6.1.28nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel6.2 → 6.2.15nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel6.3 → 6.3.2nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
netapp h300sall versionsnvdUScpe:2.3:h:netapp:h300s:*:*:*:*:*:*:*:*
netapp h410call versionsnvdUScpe:2.3:h:netapp:h410c:*:*:*:*:*:*:*:*
netapp h410sall versionsnvdUScpe:2.3:h:netapp:h410s:*:*:*:*:*:*:*:*
netapp h500sall versionsnvdUScpe:2.3:h:netapp:h500s:*:*:*:*:*:*:*:*

showing 20 of 21

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1255Linux Kernel (ksmbd): Mehrere SchwachstellenDeutsch2023-05-18csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service-Zustand herbeizuführen, Informationen offenzulegen, Sicherheitsvorkehrungen zu umgehen, Privilegien zu erweitern und beliebigen Code auszuführen.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2023-07-24modified 2026-06-17

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+8782 more

references (18)

External citations — patches, advisories, analysis.

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