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 | amazon-linux-ami-2-upgrade-kernelamazon-linux-ami-2-upgrade-kernel-debuginfoamazon-linux-ami-2-upgrade-kernel-debuginfo-common-aarch64amazon-linux-ami-2-upgrade-kernel-debuginfo-common-x86_64amazon-linux-ami-2-upgrade-kernel-develamazon-linux-ami-2-upgrade-kernel-headersamazon-linux-ami-2-upgrade-kernel-livepatch-4-14-181-142-260amazon-linux-ami-2-upgrade-kernel-livepatch-4-14-181-142-260-debuginfoamazon-linux-ami-2-upgrade-kernel-livepatch-4-14-186-146-268amazon-linux-ami-2-upgrade-kernel-toolsamazon-linux-ami-2-upgrade-kernel-tools-debuginfoamazon-linux-ami-2-upgrade-kernel-tools-develamazon-linux-ami-2-upgrade-perfamazon-linux-ami-2-upgrade-perf-debuginfoamazon-linux-ami-2-upgrade-python-perfamazon-linux-ami-2-upgrade-python-perf-debuginfo | Jul 23, 2020 | Jul 23, 2020 | |
| Amazon_linux | — | amazon-linux-upgrade-kernel | Jul 18, 2020 | Jun 19, 2020 |
| Centos_linux | — | centos-upgrade-kernelcentos-upgrade-kernel-rtcentos-upgrade-kpatch-patch-4_18_0-193centos-upgrade-kpatch-patch-4_18_0-193-debuginfocentos-upgrade-kpatch-patch-4_18_0-193-debugsourcecentos-upgrade-kpatch-patch-4_18_0-193_1_2centos-upgrade-kpatch-patch-4_18_0-193_1_2-debuginfocentos-upgrade-kpatch-patch-4_18_0-193_1_2-debugsourcecentos-upgrade-kpatch-patch-4_18_0-193_6_3centos-upgrade-kpatch-patch-4_18_0-193_6_3-debuginfocentos-upgrade-kpatch-patch-4_18_0-193_6_3-debugsource | Jul 23, 2020 | Jul 21, 2020 |
| Debian | debian-upgrade-linux | Aug 17, 2020 | Aug 17, 2020 | |
| Huawei Euleros 2_0_sp8 | huawei-euleros-2_0_sp8-upgrade-bpftoolhuawei-euleros-2_0_sp8-upgrade-kernelhuawei-euleros-2_0_sp8-upgrade-kernel-develhuawei-euleros-2_0_sp8-upgrade-kernel-headershuawei-euleros-2_0_sp8-upgrade-kernel-sourcehuawei-euleros-2_0_sp8-upgrade-kernel-toolshuawei-euleros-2_0_sp8-upgrade-kernel-tools-libshuawei-euleros-2_0_sp8-upgrade-perfhuawei-euleros-2_0_sp8-upgrade-python-perfhuawei-euleros-2_0_sp8-upgrade-python3-perf | Jul 31, 2020 | Jul 30, 2020 | |
| Oracle_linux | — | oracle-linux-upgrade-kerneloracle-linux-upgrade-kernel-uek | Jul 25, 2020 | Jun 9, 2020 |
| Redhat Openshift | linuxrpm-upgrade-redhat-coreos | Dec 29, 2020 | Sep 15, 2020 | |
| Redhat_linux | redhat-upgrade-kernelredhat-upgrade-kernel-rt | Jul 23, 2020 | Jul 21, 2020 | |
| Suse | — | suse-upgrade-kernel-defaultsuse-upgrade-kernel-default-extrasuse-upgrade-kernel-docssuse-upgrade-kernel-obs-build | Jun 20, 2020 | Jun 19, 2020 |
| Ubuntu | ubuntu-upgrade-linux-image-4-15-0-1051-oracleubuntu-upgrade-linux-image-4-15-0-1067-gkeubuntu-upgrade-linux-image-4-15-0-1068-raspi2ubuntu-upgrade-linux-image-4-15-0-1072-kvmubuntu-upgrade-linux-image-4-15-0-1080-awsubuntu-upgrade-linux-image-4-15-0-1081-gcpubuntu-upgrade-linux-image-4-15-0-1084-snapdragonubuntu-upgrade-linux-image-4-15-0-1093-azureubuntu-upgrade-linux-image-4-15-0-1094-oemubuntu-upgrade-linux-image-4-15-0-115-genericubuntu-upgrade-linux-image-4-15-0-115-generic-lpaeubuntu-upgrade-linux-image-4-15-0-115-lowlatencyubuntu-upgrade-linux-image-4-4-0-1075-awsubuntu-upgrade-linux-image-4-4-0-1077-kvmubuntu-upgrade-linux-image-4-4-0-1111-awsubuntu-upgrade-linux-image-4-4-0-1136-raspi2ubuntu-upgrade-linux-image-4-4-0-1140-snapdragonubuntu-upgrade-linux-image-4-4-0-186-genericubuntu-upgrade-linux-image-4-4-0-186-generic-lpaeubuntu-upgrade-linux-image-4-4-0-186-lowlatencyubuntu-upgrade-linux-image-4-4-0-186-powerpc-e500mcubuntu-upgrade-linux-image-4-4-0-186-powerpc-smpubuntu-upgrade-linux-image-4-4-0-186-powerpc64-embubuntu-upgrade-linux-image-4-4-0-186-powerpc64-smpubuntu-upgrade-linux-image-5-0-0-1045-gkeubuntu-upgrade-linux-image-5-0-0-1065-oem-osp1ubuntu-upgrade-linux-image-5-3-0-1030-oracleubuntu-upgrade-linux-image-5-3-0-1030-raspi2ubuntu-upgrade-linux-image-5-3-0-1032-awsubuntu-upgrade-linux-image-5-3-0-1032-gcpubuntu-upgrade-linux-image-5-3-0-1032-gkeubuntu-upgrade-linux-image-5-3-0-1034-azureubuntu-upgrade-linux-image-5-3-0-64-genericubuntu-upgrade-linux-image-5-3-0-64-generic-lpaeubuntu-upgrade-linux-image-5-3-0-64-lowlatencyubuntu-upgrade-linux-image-5-4-0-1016-raspiubuntu-upgrade-linux-image-5-4-0-1022-awsubuntu-upgrade-linux-image-5-4-0-1022-gcpubuntu-upgrade-linux-image-5-4-0-1022-oracleubuntu-upgrade-linux-image-5-4-0-1023-azureubuntu-upgrade-linux-image-5-4-0-45-genericubuntu-upgrade-linux-image-5-4-0-45-generic-lpaeubuntu-upgrade-linux-image-5-4-0-45-lowlatencyubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-edgeubuntu-upgrade-linux-image-aws-hweubuntu-upgrade-linux-image-aws-lts-18-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-edgeubuntu-upgrade-linux-image-azure-lts-18-04ubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-lts-18-04ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-hwe-16-04ubuntu-upgrade-linux-image-generic-hwe-18-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-16-04ubuntu-upgrade-linux-image-generic-lpae-hwe-18-04ubuntu-upgrade-linux-image-generic-lpae-lts-xenialubuntu-upgrade-linux-image-generic-lts-xenialubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-4-15ubuntu-upgrade-linux-image-gke-5-0ubuntu-upgrade-linux-image-gke-5-3ubuntu-upgrade-linux-image-gke-5-4ubuntu-upgrade-linux-image-gkeop-5-3ubuntu-upgrade-linux-image-gkeop-5-4ubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-hwe-16-04ubuntu-upgrade-linux-image-lowlatency-hwe-18-04ubuntu-upgrade-linux-image-lowlatency-lts-xenialubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oem-osp1ubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-lts-18-04ubuntu-upgrade-linux-image-powerpc-e500mcubuntu-upgrade-linux-image-powerpc-e500mc-lts-xenialubuntu-upgrade-linux-image-powerpc-smpubuntu-upgrade-linux-image-powerpc-smp-lts-xenialubuntu-upgrade-linux-image-powerpc64-embubuntu-upgrade-linux-image-powerpc64-emb-lts-xenialubuntu-upgrade-linux-image-powerpc64-smpubuntu-upgrade-linux-image-powerpc64-smp-lts-xenialubuntu-upgrade-linux-image-raspiubuntu-upgrade-linux-image-raspi-hwe-18-04ubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-raspi2-hwe-18-04ubuntu-upgrade-linux-image-snapdragonubuntu-upgrade-linux-image-snapdragon-hwe-18-04ubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-16-04ubuntu-upgrade-linux-image-virtual-hwe-18-04ubuntu-upgrade-linux-image-virtual-lts-xenial | Aug 5, 2020 | Jun 19, 2020 | |
| Vmware Photon_os | vmware-photon_os_update_tdnf | Jan 20, 2025 | Sep 15, 2020 |
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