CVE-2023-6240

mediumpriority · track · 26OT risk · elevatedEPSS 0.010 · 62 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.97% (62nd) EPSS

CVSS 6.5 · medium

Is it mine?

53 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-26

A Marvin vulnerability side-channel leakage was found in the RSA decryption operation in the Linux Kernel. This issue may allow a network attacker to decrypt ciphertexts or forge signatures, limiting the services that use that private key.

cvss

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

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:Nprimary · NVD / NIST USexploitability 2.2 · impact 4.2

v3.16.5mediumAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.16.5mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:Nsecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:Nsecondary · secalert@redhat.com USexploitability 2.2 · impact 4.2

v3.16mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

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

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-203USCWE-203USCWE-208USCWE-327USCWE-402US

affected products (53)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Atlassian Bitbucket <10.0.2all versionscert_bundDE
Atlassian Bitbucket <8.19.25 (LTS)all versionscert_bundDE
Atlassian Bitbucket <9.4.13 (LTS)all versionscert_bundDE
Dell ECS 3.8.1.0-3.8.1.7all versionscert_bundDEcpe:/h:dell:ecs:3.8.1.0_-_3.8.1.7
RESF Rocky Linuxall versionscert_bundDEcpe:/o:resf:rocky_linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Red Hat Enterprise Linux 9all versionscert_bundDEcpe:/o:redhat:enterprise_linux:9
Red Hat Enterprise Linux Advanced Cluster Security for Kubernetes 4all versionscert_bundDEcpe:/o:redhat:enterprise_linux:advanced_cluster_security_for_kubernetes_4
Red Hat OpenShiftall versionscert_bundDEcpe:/a:redhat:openshift:-
Red Hat OpenShift CodeReady Workspacesall versionscert_bundDEcpe:/a:redhat:openshift:codeready_workspaces
Red Hat OpenShift Container Platform <4.12.72all versionscert_bundDE
Red Hat OpenShift Container Platform <4.14.38all versionscert_bundDE
Red Hat OpenShift Container Platform <4.16.8all versionscert_bundDE
Red Hat OpenShift Custom Metric Autoscaler 2all versionscert_bundDEcpe:/a:redhat:openshift:custom_metric_autoscaler_2
Red Hat OpenShift Data Foundation <4.14.13all versionscert_bundDE
Red Hat OpenShift GitOps 1.12all versionscert_bundDEcpe:/a:redhat:openshift:gitops_1.12
Red Hat OpenShift GitOps <1.15.2all versionscert_bundDE
Red Hat OpenShift Kube Descheduler Operator 5all versionscert_bundDEcpe:/a:redhat:openshift:kube_descheduler_operator_5
Red Hat OpenShift Migration Toolkit for Applications <7.0.3all versionscert_bundDE

showing 20 of 53

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-0289Linux Kernel: Schwachstelle ermöglicht Offenlegung von InformationenDeutsch2024-02-04csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um Informationen offenzulegen.
WID-SEC-W-2024-1226Red Hat OpenShift: Mehrere SchwachstellenDeutsch2024-05-22csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Red Hat OpenShift ausnutzen, um Dateien zu manipulieren, einen Denial-of-Service-Zustand zu verursachen, beliebigen Code auszuführen, vertrauliche Informationen offenzulegen, seine Privilegien zu erweitern oder um weitere nicht spezifizierte Angriffe 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 CVE.org MITRE

published 2024-02-04modified 2026-07-07

references (25)

External citations — patches, advisories, analysis.

scry

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