An issue was discovered in the Linux kernel before 5.9. arch/x86/kvm/svm/sev.c allows attackers to cause a denial of service (soft lockup) by triggering destruction of a large SEV VM (which requires unregistering many encrypted regions), aka CID-7be74942f184.
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:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-debuginfo-common-x86_64Upgrade kernel-toolsUpgrade python-perfUpgrade kernelUpgrade kernel-develUpgrade kernel-debuginfo-common-aarch64Upgrade bpftoolUpgrade bpftool-debuginfoUpgrade kernel-tools-develUpgrade perfUpgrade python-perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade perf-debuginfoUpgrade kernel-headers | Jul 4, 2022 | Apr 7, 2021 |
| Debian | — | Upgrade linux | Jul 22, 2021 | Apr 7, 2021 |
| Huawei Euleros 2_0_sp8 | — | Upgrade kernel-develUpgrade perfUpgrade python3-perfUpgrade kernel-toolsUpgrade kernel-headersUpgrade kernel-sourceUpgrade python-perfUpgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel | Jun 28, 2021 | Apr 7, 2021 |
| Huawei Euleros 2_0_sp9 | — | Upgrade python3-perfUpgrade kernelUpgrade kernel-toolsUpgrade kernel-tools-libs | Jul 2, 2021 | Apr 7, 2021 |
| Oracle_linux | — | Upgrade kernel-uek | Sep 17, 2021 | Sep 11, 2020 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Apr 7, 2021 |
| Suse | — | Upgrade ocfs2-kmp-defaultUpgrade kernel-obs-buildUpgrade kernel-docsUpgrade kernel-defaultUpgrade gfs2-kmp-defaultUpgrade kernel-default-extraUpgrade dlm-kmp-defaultUpgrade cluster-md-kmp-default | Apr 16, 2021 | Apr 7, 2021 |
| Ubuntu | — | Upgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-generic-hwe-18.04Upgrade linux-image-gcp-lts-20.04Upgrade linux-image-gcpUpgrade linux-image-gkeop-5.4Upgrade linux-image-5.4.0-84-generic-lpaeUpgrade linux-image-azureUpgrade linux-image-5.4.0-84-genericUpgrade linux-image-genericUpgrade linux-image-gkeopUpgrade linux-image-gkeUpgrade linux-image-5.4.0-1058-azureUpgrade linux-image-virtualUpgrade linux-image-5.4.0-1054-oracleUpgrade linux-image-kvmUpgrade linux-image-5.4.0-1052-gcpUpgrade linux-image-5.4.0-1046-kvmUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-oem-osp1Upgrade linux-image-5.4.0-1052-gkeUpgrade linux-image-5.4.0-1056-awsUpgrade linux-image-aws-lts-20.04Upgrade linux-image-5.4.0-84-lowlatencyUpgrade linux-image-5.4.0-1023-gkeopUpgrade linux-image-oracleUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-gke-5.4Upgrade linux-image-awsUpgrade linux-image-lowlatencyUpgrade linux-image-azure-lts-20.04Upgrade linux-image-5.8.0-1043-azureUpgrade linux-image-generic-lpaeUpgrade linux-image-oemUpgrade linux-image-virtual-hwe-18.04 | Sep 9, 2021 | Apr 7, 2021 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Apr 6, 2021 |
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