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CVE record · CVE-2023-6240

Kernel: marvin vulnerability side-channel leakage in the rsa decryption operation

CVSS 6.5 MediumEPSS 0.0097 · 61st percentile

Published by the CVE Program (CNA: redhat) at 4 Feb 2024, 14:11 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Red Hat Red Hat Enterprise Linux 8 Package name: kernel-rt https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:4.18.0-553.5.1.rt7.346.el8_10 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 8 Package name: kernel https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:4.18.0-553.5.1.el8_10 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 9 Package name: kernel https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:5.14.0-427.16.1.el9_4 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 9 Package name: kernel https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:5.14.0-427.16.1.el9_4 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support Package name: kernel https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:5.14.0-70.101.1.el9_0 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support Package name: kernel-rt https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:5.14.0-70.101.1.rt21.173.el9_0 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support Package name: kernel https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:5.14.0-284.62.1.el9_2 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support Package name: kernel-rt https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:5.14.0-284.62.1.rt14.347.el9_2 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 6 Package name: kernel https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unknown
Red Hat Red Hat Enterprise Linux 7 Package name: kernel https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unknown
Red Hat Red Hat Enterprise Linux 7 Package name: kernel-rt https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unknown
Red Hat Red Hat Enterprise Linux 9 Package name: kernel-rt https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Identifiers
CVE-2023-6240
CNA
redhat
Weakness (CWE)
CWE-203
Tags
Published
4 Feb 2024
Updated
5 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
6.5 Medium 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N CNA (redhat)
  • CISA KEV Not listed.
  • EPSS 0.0097, the 61st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 4 Feb 2024, 14:11 UTC Confirmed by the CVE List
  2. 4 Feb 2024, 14:15 UTC Confirmed by NVD

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.