CVE-2023-6240

Medium

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.

Package Linux Kernel
Published 2024-02-04
Last modified 2024-11-21
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

6.5

out of 10
Medium
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

Weakness type

CWE-203

CVE-2023-6240 is classified as CWE-203

See CWE-203 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2023-6240 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2023-6240?

    CVE-2023-6240 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.5 out of 10 . CVE-2023-6240 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2023-6240?

    CVE-2023-6240 has a CVSS score of 6.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N .

  • Is there a patch available for CVE-2023-6240?

    No patch is currently available for CVE-2023-6240. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2023-6240 actively exploited?

    No — CVE-2023-6240 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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