Bug 1219556 (CVE-2023-6240) - VUL-0: CVE-2023-6240: kernel-source,kernel-source-azure,kernel-source-rt: Marvin vulnerability side-channel leakage in the RSA decryption operation
Summary: VUL-0: CVE-2023-6240: kernel-source,kernel-source-azure,kernel-source-rt: Mar...
Status: NEW
Alias: CVE-2023-6240
Product: SUSE Security Incidents
Classification: Novell Products
Component: Incidents (show other bugs)
Version: unspecified
Hardware: Other Other
: P3 - Medium : Normal
Target Milestone: ---
Assignee: Nicolai Stange
QA Contact: Security Team bot
URL: https://smash.suse.de/issue/392981/
Whiteboard: CVSSv3.1:SUSE:CVE-2023-6240:6.5:(AV:N...
Keywords:
Depends on:
Blocks:
 
Reported: 2024-02-05 09:40 UTC by SMASH SMASH
Modified: 2024-07-01 12:16 UTC (History)
3 users (show)

See Also:
Found By: Security Response Team
Services Priority:
Business Priority:
Blocker: ---
Marketing QA Status: ---
IT Deployment: ---

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Description SMASH SMASH 2024-02-05 09:40:31 UTC 
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.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-6240
https://bugzilla.redhat.com/show_bug.cgi?id=2250843
https://www.cve.org/CVERecord?id=CVE-2023-6240
https://access.redhat.com/security/cve/CVE-2023-6240
https://securitypitfalls.wordpress.com/2023/10/16/experiment-with-side-channel-attacks-yourself/
https://people.redhat.com/~hkario/marvin/
Comment 1 Thomas Leroy 2024-02-05 09:43:17 UTC 
I currently don't see any recent fix in crypto/ related to Marvin attack