CVE-2023-3161

mediumpriority · track · 22EPSS 0.002 · 10 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.20% (10th) EPSS

CVSS 5.5 · medium

Is it mine?

23 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 Framebuffer Console (fbcon) in the Linux Kernel. When providing font->width and font->height greater than 32 to fbcon_set_font, since there are no checks in place, a shift-out-of-bounds occurs leading to undefined behavior and possible denial of service.

cvss

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

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.1–7.8

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 1.8 · impact 3.6

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-682USprimaryCWE-125USCWE-1335USCWE-682US

affected products (23)

Products and version ranges known to be affected.

IBM QRadar SIEM 7.5.0all versionscert_bundDEcpe:/a:ibm:qradar_siem:7.5.0
IBM QRadar SIEM <7.5.0 UP11 IF01all versionscert_bundDE
IBM QRadar SIEM <7.5.0 UP8 IF02all versionscert_bundDE
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
IBM QRadar SIEM< 7.5.0 UP11 IF01cert_bundDE
IBM QRadar SIEM< 7.5.0 UP8 IF02cert_bundDE
n/a Linux Kernel (fbcon)≤ Fixed in kernel 6.2-rc7enisa_euvdEU
АО «НППКТ» ОСОН ОСнова Оnyx≤ 2.9fstec_bduRU
АО «НТЦ ИТ РОСА» ROSA Virtualization 3.0≤ 3.0fstec_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 Linux4.0 → 4.14.305fstec_bduRU
Сообщество свободного программного обеспечения Linux4.15 → 4.19.272fstec_bduRU
Сообщество свободного программного обеспечения Linux4.20 → 5.4.231fstec_bduRU
Сообщество свободного программного обеспечения Linux5.11 → 5.15.92fstec_bduRU
Сообщество свободного программного обеспечения Linux5.16 → 6.1.10fstec_bduRU
Сообщество свободного программного обеспечения Linux5.5 → 5.10.167fstec_bduRU
fedoraproject fedora= 38nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
linux linux kernel< 6.2nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

showing 20 of 23

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1404Linux Kernel: Schwachstelle ermöglicht Denial of ServiceDeutsch2023-06-08csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen.
WID-SEC-W-2024-1086IBM QRadar SIEM: Mehrere SchwachstellenDeutsch2024-05-09csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in IBM QRadar SIEM ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, einen Denial-of-Service-Zustand herbeizuführen, vertrauliche Informationen offenzulegen, Dateien zu manipulieren, seine Privilegien zu erweitern, einen Cross-Site-Scripting (XSS)-Angriff durchzuführen oder einen nicht spezifizierten Angriff auszuführen.

also known as (4)

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 2023-06-12modified 2026-06-17

related (254)

Related entries.

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+249 more

references (13)

External citations — patches, advisories, analysis.

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