Vulnerability · Published Feb 4, 2024 · Assigned by redhat

CVE-2023-6240Kernel: marvin vulnerability side-channel leakage in the rsa decryption operation

Medium 6.5

In plain English

A medium-severity security flaw in Red Hat Enterprise Linux 6 from Red Hat. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.0%top 38.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8bpftool4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9bpftool7.3.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-64k5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-64k-core5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-64k-debug5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-64k-debug-core5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-64k-debug-devel5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-64k-debug-modules5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-64k-devel5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-64k-devel-matched5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-64k-modules5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-64k-modules-core5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-64k-modules-extra5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-abi-stablelists4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-abi-stablelists5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-core4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-core5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-cross-headers4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-cross-headers5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-debug4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-debug5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-debug-core4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-debug-core5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-debug-devel4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-debug-devel5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-debug-devel-matched5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-debug-modules4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-debug-modules5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-debug-modules-core5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-debug-modules-extra4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-debug-modules-extra5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-debug-uki-virt5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-devel4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-devel5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-devel-matched5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-doc4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-doc5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-headers4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-headers5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-modules4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-modules5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-modules-core5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-modules-extra4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-modules-extra5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-rt4.18.0-553.5.1.rt7.346.el8_10ALSA-2024:3627
AlmaLinux:9kernel-rt5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-rt-core4.18.0-553.5.1.rt7.346.el8_10ALSA-2024:3627
AlmaLinux:9kernel-rt-core5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-rt-debug4.18.0-553.5.1.rt7.346.el8_10ALSA-2024:3627
AlmaLinux:9kernel-rt-debug5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-rt-debug-core4.18.0-553.5.1.rt7.346.el8_10ALSA-2024:3627
AlmaLinux:9kernel-rt-debug-core5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-rt-debug-devel4.18.0-553.5.1.rt7.346.el8_10ALSA-2024:3627
AlmaLinux:9kernel-rt-debug-devel5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-rt-debug-kvm4.18.0-553.5.1.rt7.346.el8_10ALSA-2024:3627
AlmaLinux:8kernel-rt-debug-modules4.18.0-553.5.1.rt7.346.el8_10ALSA-2024:3627
AlmaLinux:9kernel-rt-debug-modules5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-rt-debug-modules-extra4.18.0-553.5.1.rt7.346.el8_10ALSA-2024:3627
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-rt-devel4.18.0-553.5.1.rt7.346.el8_10ALSA-2024:3627
AlmaLinux:9kernel-rt-devel5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-rt-kvm4.18.0-553.5.1.rt7.346.el8_10ALSA-2024:3627
AlmaLinux:8kernel-rt-modules4.18.0-553.5.1.rt7.346.el8_10ALSA-2024:3627
AlmaLinux:9kernel-rt-modules5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-rt-modules-core5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-rt-modules-extra4.18.0-553.5.1.rt7.346.el8_10ALSA-2024:3627
AlmaLinux:9kernel-rt-modules-extra5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-tools4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-tools5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-tools-libs4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-tools-libs5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-tools-libs-devel4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-tools-libs-devel5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-uki-virt5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-zfcpdump4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-zfcpdump5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-zfcpdump-core4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-zfcpdump-core5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-zfcpdump-devel4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-zfcpdump-devel5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-zfcpdump-modules4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-zfcpdump-modules5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8kernel-zfcpdump-modules-extra4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9libperf5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8perf4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9perf5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:8python3-perf4.18.0-553.5.1.el8_10ALSA-2024:3618
AlmaLinux:9python3-perf5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9rtla5.14.0-427.16.1.el9_4ALSA-2024:2758
AlmaLinux:9rv5.14.0-427.16.1.el9_4ALSA-2024:2758
Debian:12linuxno fix listedDEBIAN-CVE-2023-6240
Debian:13linuxno fix listedDEBIAN-CVE-2023-6240
Debian:14linuxno fix listedDEBIAN-CVE-2023-6240
Rocky Linux:8kernel0:4.18.0-553.5.1.el8_10RLSA-2024:3618
Rocky Linux:9kernel0:5.14.0-427.16.1.el9_4RLSA-2024:2758
Rocky Linux:8kernel-rt0:4.18.0-553.5.1.rt7.346.el8_10RLSA-2024:3627
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinuxno fix listedUBUNTU-CVE-2023-6240
Ubuntu:25.10linuxno fix listedUBUNTU-CVE-2023-6240
Ubuntu:26.04:LTSlinuxno fix listedUBUNTU-CVE-2023-6240
Ubuntu:26.10linuxno fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-awsno fix listedUBUNTU-CVE-2023-6240
Ubuntu:25.10linux-awsno fix listedUBUNTU-CVE-2023-6240
Ubuntu:26.04:LTSlinux-awsno fix listedUBUNTU-CVE-2023-6240
Ubuntu:26.10linux-awsno fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-aws-6.17no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-aws-6.8no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-aws-7.0no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-azureno fix listedUBUNTU-CVE-2023-6240
Ubuntu:25.10linux-azureno fix listedUBUNTU-CVE-2023-6240
Ubuntu:26.04:LTSlinux-azureno fix listedUBUNTU-CVE-2023-6240
Ubuntu:26.10linux-azureno fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-azure-6.17no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-azure-6.8no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-azure-7.0no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2023-6240
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2023-6240
Ubuntu:26.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2023-6240
Ubuntu:26.10linux-azure-fdeno fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-azure-fde-6.17no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-azure-fde-6.8no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-azure-fde-7.0no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2023-6240
Ubuntu:25.10linux-gcpno fix listedUBUNTU-CVE-2023-6240
Ubuntu:26.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2023-6240
Ubuntu:26.10linux-gcpno fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-gcp-6.17no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-gcp-6.8no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-gcp-7.0no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2023-6240
Ubuntu:26.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-hwe-6.17no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-hwe-6.8no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-hwe-7.0no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2023-6240
Ubuntu:26.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-ibm-6.8no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.8no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2023-6240
Ubuntu:26.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-nvidia-6.17no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-nvidia-6.8no fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-nvidia-7.0no fix listedUBUNTU-CVE-2023-6240
Ubuntu:26.04:LTSlinux-nvidia-bosno fix listedUBUNTU-CVE-2023-6240
Ubuntu:24.04:LTSlinux-nvidia-lowlatencyno fix listedUBUNTU-CVE-2023-6240
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2023-6240

Affected products (as reported)

Weakness: CWE-203 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

References