A flaw was found in the Linux kernel before 5.8-rc1 in the implementation of the Enhanced IBPB (Indirect Branch Prediction Barrier). The IBPB mitigation will be disabled when STIBP is not available or when the Enhanced Indirect Branch Restricted Speculation (IBRS) is available. This flaw allows a local attacker to perform a Spectre V2 style attack when this configuration is active. The highest threat from this vulnerability is to confidentiality.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-debuginfo-common-aarch64Upgrade perf-debuginfoUpgrade kernel-toolsUpgrade python-perfUpgrade kernel-develUpgrade perfUpgrade kernel-tools-develUpgrade kernel-livepatch-4.14.186-146.268Upgrade kernel-livepatch-4.14.181-142.260Upgrade kernel-livepatch-4.14.181-142.260-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debuginfoUpgrade kernel-tools-debuginfoUpgrade python-perf-debuginfoUpgrade kernelUpgrade kernel-headers | Jul 23, 2020 | Jul 23, 2020 |
| Amazon_linux | — | Upgrade kernel | Jul 18, 2020 | Jun 19, 2020 |
| Centos_linux | — | Upgrade kernel-rtUpgrade kpatch-patch-4_18_0-193-debugsourceUpgrade kpatch-patch-4_18_0-193Upgrade kpatch-patch-4_18_0-193_1_2-debuginfoUpgrade kpatch-patch-4_18_0-193-debuginfoUpgrade kpatch-patch-4_18_0-193_6_3Upgrade kernelUpgrade kpatch-patch-4_18_0-193_1_2-debugsourceUpgrade kpatch-patch-4_18_0-193_6_3-debugsourceUpgrade kpatch-patch-4_18_0-193_6_3-debuginfoUpgrade kpatch-patch-4_18_0-193_1_2 | Jul 23, 2020 | Jul 21, 2020 |
| Debian | — | Upgrade linux | Aug 17, 2020 | Aug 17, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade perfUpgrade python-perfUpgrade python3-perfUpgrade kernel-headersUpgrade kernel-sourceUpgrade kernelUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel-devel | Jul 31, 2020 | Jul 30, 2020 |
| Oracle_linux | — | Upgrade kernel-uekUpgrade kernel | Jul 25, 2020 | Jun 9, 2020 |
| Redhat Openshift | — | Upgrade redhat-coreos | Dec 29, 2020 | Sep 15, 2020 |
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernel | Jul 23, 2020 | Jul 21, 2020 |
| Suse | — | Upgrade kernel-docsUpgrade kernel-obs-buildUpgrade kernel-defaultUpgrade kernel-default-extra | Jun 20, 2020 | Jun 19, 2020 |
| Ubuntu | — | Upgrade linux-image-4.4.0-186-powerpc64-embUpgrade linux-image-4.4.0-1111-awsUpgrade linux-image-4.15.0-1068-raspi2Upgrade linux-image-gkeop-5.3Upgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-4.4.0-186-generic-lpaeUpgrade linux-image-generic-lpae-lts-xenialUpgrade linux-image-5.4.0-1022-oracleUpgrade linux-image-gcp-lts-18.04Upgrade linux-image-generic-hwe-18.04Upgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-4.15.0-1081-gcpUpgrade linux-image-5.4.0-1023-azureUpgrade linux-image-gke-5.4Upgrade linux-image-4.4.0-186-lowlatencyUpgrade linux-image-powerpc64-emb-lts-xenialUpgrade linux-image-awsUpgrade linux-image-gcpUpgrade linux-image-5.0.0-1045-gkeUpgrade linux-image-5.3.0-1030-oracleUpgrade linux-image-4.15.0-1094-oemUpgrade linux-image-azure-edgeUpgrade linux-image-5.3.0-64-lowlatencyUpgrade linux-image-kvmUpgrade linux-image-gke-5.3Upgrade linux-image-gke-5.0Upgrade linux-image-snapdragonUpgrade linux-image-oracle-lts-18.04Upgrade linux-image-5.0.0-1065-oem-osp1Upgrade linux-image-5.4.0-1016-raspiUpgrade linux-image-azureUpgrade linux-image-virtual-lts-xenialUpgrade linux-image-5.3.0-1032-awsUpgrade linux-image-oem-osp1Upgrade linux-image-powerpc-smp-lts-xenialUpgrade linux-image-4.4.0-1075-awsUpgrade linux-image-4.4.0-1136-raspi2Upgrade linux-image-generic-lpae-hwe-16.04Upgrade linux-image-raspi-hwe-18.04Upgrade linux-image-virtual-hwe-18.04Upgrade linux-image-raspiUpgrade linux-image-aws-lts-18.04Upgrade linux-image-4.15.0-1051-oracleUpgrade linux-image-5.4.0-1022-awsUpgrade linux-image-5.3.0-1034-azureUpgrade linux-image-powerpc64-smpUpgrade linux-image-5.3.0-64-generic-lpaeUpgrade linux-image-powerpc-e500mc-lts-xenialUpgrade linux-image-5.3.0-1030-raspi2Upgrade linux-image-4.4.0-186-powerpc-e500mcUpgrade linux-image-4.4.0-1140-snapdragonUpgrade linux-image-powerpc64-smp-lts-xenialUpgrade linux-image-4.15.0-115-lowlatencyUpgrade linux-image-raspi2Upgrade linux-image-4.15.0-1084-snapdragonUpgrade linux-image-powerpc64-embUpgrade linux-image-virtual-hwe-16.04Upgrade linux-image-powerpc-smpUpgrade linux-image-4.15.0-1093-azureUpgrade linux-image-4.15.0-115-generic-lpaeUpgrade linux-image-5.3.0-1032-gkeUpgrade linux-image-4.4.0-186-genericUpgrade linux-image-gke-4.15Upgrade linux-image-4.4.0-186-powerpc-smpUpgrade linux-image-powerpc-e500mcUpgrade linux-image-4.15.0-1067-gkeUpgrade linux-image-lowlatencyUpgrade linux-image-generic-lts-xenialUpgrade linux-image-4.15.0-115-genericUpgrade linux-image-4.15.0-1080-awsUpgrade linux-image-5.4.0-45-generic-lpaeUpgrade linux-image-generic-hwe-16.04Upgrade linux-image-oracleUpgrade linux-image-generic-lpaeUpgrade linux-image-5.4.0-45-genericUpgrade linux-image-genericUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-azure-lts-18.04Upgrade linux-image-5.3.0-1032-gcpUpgrade linux-image-5.4.0-45-lowlatencyUpgrade linux-image-5.4.0-1022-gcpUpgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-aws-hweUpgrade linux-image-raspi2-hwe-18.04Upgrade linux-image-gkeUpgrade linux-image-4.4.0-186-powerpc64-smpUpgrade linux-image-4.15.0-1072-kvmUpgrade linux-image-5.3.0-64-genericUpgrade linux-image-gkeop-5.4Upgrade linux-image-oemUpgrade linux-image-virtualUpgrade linux-image-aws-edgeUpgrade linux-image-4.4.0-1077-kvm | Aug 5, 2020 | Jun 19, 2020 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Sep 15, 2020 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub