| Name | CVE-2023-6240 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | bullseye | 5.10.223-1 | vulnerable |
| bullseye (security) | 5.10.244-1 | vulnerable | |
| bookworm | 6.1.148-1 | vulnerable | |
| bookworm (security) | 6.1.153-1 | vulnerable | |
| trixie | 6.12.43-1 | vulnerable | |
| trixie (security) | 6.12.48-1 | vulnerable | |
| forky | 6.16.9-1 | vulnerable | |
| sid | 6.16.12-2 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | (unstable) | (unfixed) |
https://securitypitfalls.wordpress.com/2023/10/16/experiment-with-side-channel-attacks-yourself/
https://bugzilla.redhat.com/show_bug.cgi?id=2250843