Bug 2250843 (CVE-2023-6240) - CVE-2023-6240 kernel: Marvin vulnerability side-channel leakage in the RSA decryption operation
Summary: CVE-2023-6240 kernel: Marvin vulnerability side-channel leakage in the RSA de...
Keywords:
Status: NEW
Alias: CVE-2023-6240
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2262644
Blocks: 2250781
TreeView+ depends on / blocked
 
Reported: 2023-11-21 12:31 UTC by Rohit Keshri
Modified: 2024-04-18 02:28 UTC (History)
53 users (show)

Fixed In Version:
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Doc Text:
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.
Clone Of:
Environment:
Last Closed:
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2024:1881 0 None None None 2024-04-18 02:28:12 UTC
Red Hat Product Errata RHSA-2024:1882 0 None None None 2024-04-18 01:47:05 UTC

Description Rohit Keshri 2023-11-21 12:31:22 UTC 
A flaw found that is Marvin Attack vulnerability side-channel leakage in the RSA decryption operation.

References:
https://securitypitfalls.wordpress.com/2023/10/16/experiment-with-side-channel-attacks-yourself/
https://people.redhat.com/~hkario/marvin/
Comment 5 Alex 2024-02-04 13:47:10 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2262644]
Comment 7 errata-xmlrpc 2024-04-18 01:47:02 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Extended Update Support

Via RHSA-2024:1882 https://access.redhat.com/errata/RHSA-2024:1882
Comment 8 errata-xmlrpc 2024-04-18 02:28:09 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Extended Update Support

Via RHSA-2024:1881 https://access.redhat.com/errata/RHSA-2024:1881
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