An issue was discovered in Linux: KVM through Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks and can lead to pages being freed while still accessible by the VMM and guest. This allows users with the ability to start and control a VM to read/write random pages of memory and can result in local privilege escalation.
CVSS Details
- CVSS 4.0 Base Score: 9.3 (Critical)
- CVSS 4.0 Vector: (CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L)
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-tools-libs-devel | May 4, 2022 | May 26, 2021 |
| Amazon Linux Ami 2 | — | Upgrade perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-livepatch-4.14.243-185.433Upgrade perfUpgrade kernel-debuginfoUpgrade kernel-tools-develUpgrade bpftoolUpgrade kernel-develUpgrade kernel-debuginfo-common-aarch64Upgrade python-perfUpgrade kernel-headersUpgrade python-perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-toolsUpgrade bpftool-debuginfoUpgrade kernel | Aug 25, 2021 | May 26, 2021 |
| Amazon_linux | — | Upgrade kernel | Oct 5, 2021 | May 26, 2021 |
| Centos_linux | — | Upgrade kpatch-patch-4_18_0-305_3_1-debugsourceUpgrade kpatch-patch-4_18_0-305-debuginfoUpgrade kpatch-patch-4_18_0-305_10_2Upgrade kpatch-patch-3_10_0-1160_41_1-debuginfoUpgrade kpatch-patch-3_10_0-1160_11_1-debuginfoUpgrade kpatch-patch-3_10_0-1160_41_1Upgrade kpatch-patch-3_10_0-1160_21_1Upgrade kernel-rtUpgrade kpatch-patch-3_10_0-1160_15_2-debuginfoUpgrade kpatch-patch-4_18_0-305_10_2-debuginfoUpgrade kpatch-patch-4_18_0-305_3_1Upgrade kpatch-patch-3_10_0-1160_15_2Upgrade kpatch-patch-3_10_0-1160_6_1Upgrade kpatch-patch-3_10_0-1160_2_2-debuginfoUpgrade kpatch-patch-3_10_0-1160_2_2Upgrade kpatch-patch-3_10_0-1160_42_2-debuginfoUpgrade kpatch-patch-4_18_0-305_7_1Upgrade kpatch-patch-3_10_0-1160_36_2-debuginfoUpgrade kpatch-patch-4_18_0-305_3_1-debuginfoUpgrade kpatch-patch-4_18_0-305Upgrade kpatch-patch-4_18_0-305_10_2-debugsourceUpgrade kpatch-patch-3_10_0-1160_21_1-debuginfoUpgrade kpatch-patch-3_10_0-1160_11_1Upgrade kpatch-patch-3_10_0-1160_25_1Upgrade kpatch-patch-3_10_0-1160_6_1-debuginfoUpgrade kernelUpgrade kpatch-patch-3_10_0-1160_2_1Upgrade kpatch-patch-3_10_0-1160_31_1Upgrade kpatch-patch-4_18_0-305-debugsourceUpgrade kpatch-patch-3_10_0-1160_36_2Upgrade kpatch-patch-3_10_0-1160_25_1-debuginfoUpgrade kpatch-patch-4_18_0-305_7_1-debuginfoUpgrade kpatch-patch-4_18_0-305_7_1-debugsourceUpgrade kpatch-patch-3_10_0-1160_24_1-debuginfoUpgrade kpatch-patch-3_10_0-1160_42_2Upgrade kpatch-patch-3_10_0-1160_31_1-debuginfoUpgrade kpatch-patch-3_10_0-1160_24_1Upgrade kpatch-patch-3_10_0-1160_2_1-debuginfo | Aug 12, 2021 | May 26, 2021 |
| Debian | — | Upgrade linux | Nov 29, 2021 | May 26, 2021 |
| Huawei Euleros 2_0_sp9 | — | Upgrade python3-perfUpgrade kernelUpgrade kernel-tools-libsUpgrade kernel-tools | Apr 19, 2022 | May 26, 2021 |
| Oracle_linux | — | Upgrade kernel-uekUpgrade kernel | Aug 12, 2021 | May 18, 2021 |
| Redhat_linux | — | No solution existsUpgrade kernelUpgrade kernel-rt | Aug 12, 2021 | May 26, 2021 |
| Rocky_linux | — | Upgrade perf-debuginfoUpgrade kernel-rt-debug-coreUpgrade kernel-debug-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-rt-modulesUpgrade kernel-toolsUpgrade kernel-debug-modules-extraUpgrade kernel-rtUpgrade kernel-coreUpgrade python3-perf-debuginfoUpgrade bpftoolUpgrade bpftool-debuginfoUpgrade kernel-debug-modulesUpgrade kernel-rt-debug-modulesUpgrade kernel-modules-extraUpgrade kernel-rt-debug-modules-extraUpgrade kernel-modulesUpgrade kernel-tools-libsUpgrade kernel-rt-debuginfoUpgrade kernel-rt-debug-debuginfoUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-tools-debuginfoUpgrade perfUpgrade kernel-debugUpgrade kernel-headersUpgrade kernelUpgrade kernel-tools-libs-develUpgrade kernel-rt-debug-develUpgrade kernel-develUpgrade kernel-rt-develUpgrade kernel-rt-debugUpgrade kernel-debug-coreUpgrade kernel-debuginfoUpgrade kernel-rt-modules-extraUpgrade kernel-rt-coreUpgrade kernel-debug-develUpgrade python3-perfUpgrade kernel-cross-headers | May 5, 2022 | May 26, 2021 |
| Suse | — | Upgrade ocfs2-kmp-defaultUpgrade kernel-azure-optionalUpgrade kernel-debug-baseUpgrade kernel-livepatch-5_3_18-24_43-defaultUpgrade kernel-livepatch-4_12_14-197_99-defaultUpgrade kernel-debug-develUpgrade reiserfs-kmp-64kbUpgrade dtb-apmUpgrade dtb-exynosUpgrade kernel-livepatch-5_3_18-24_75-defaultUpgrade kernel-preempt-livepatch-develUpgrade kernel-livepatch-5_3_18-59_13-defaultUpgrade dtb-caviumUpgrade kernel-default-kgraftUpgrade kernel-64kb-develUpgrade kernel-livepatch-4_12_14-197_89-defaultUpgrade dtb-broadcomUpgrade kernel-64kb-livepatch-develUpgrade kgraft-patch-4_12_14-122_77-defaultUpgrade kernel-livepatch-4_12_14-197_75-defaultUpgrade kernel-livepatch-5_3_18-24_49-defaultUpgrade kernel-livepatch-4_12_14-150_66-defaultUpgrade ocfs2-kmp-preemptUpgrade kernel-vanilla-develUpgrade kgraft-patch-4_12_14-122_46-defaultUpgrade kernel-livepatch-5_3_18-24_64-defaultUpgrade kernel-vanilla-baseUpgrade kernel-64kb-optionalUpgrade kernel-syms-azureUpgrade kernel-kvmsmallUpgrade dtb-marvellUpgrade cluster-md-kmp-preemptUpgrade kernel-64kbUpgrade kernel-kvmsmall-livepatch-develUpgrade dlm-kmp-64kbUpgrade kgraft-patch-4_12_14-122_74-defaultUpgrade kernel-livepatch-4_12_14-150_63-defaultUpgrade kernel-livepatch-5_3_18-24_12-defaultUpgrade kernel-default-extraUpgrade kernel-livepatch-4_12_14-197_64-defaultUpgrade dtb-amlogicUpgrade kernel-livepatch-5_3_18-59_5-defaultUpgrade dtb-lgUpgrade kernel-livepatch-5_3_18-24_53_4-defaultUpgrade kernel-docs-htmlUpgrade cluster-md-kmp-azureUpgrade kgraft-patch-4_12_14-122_66-defaultUpgrade kernel-macrosUpgrade dtb-allwinnerUpgrade kernel-vanillaUpgrade kselftests-kmp-azureUpgrade ocfs2-kmp-64kbUpgrade dtb-hisiliconUpgrade kernel-kvmsmall-develUpgrade kernel-livepatch-4_12_14-197_67-defaultUpgrade kernel-obs-qaUpgrade kernel-default-develUpgrade kernel-sourceUpgrade kernel-default-livepatchUpgrade kernel-symsUpgrade kernel-livepatch-5_3_18-24_34-defaultUpgrade kernel-livepatch-4_12_14-197_78-defaultUpgrade kernel-azure-livepatch-develUpgrade kselftests-kmp-64kbUpgrade kgraft-patch-4_12_14-95_83-defaultUpgrade reiserfs-kmp-defaultUpgrade dtb-freescaleUpgrade kernel-livepatch-4_12_14-150_72-defaultUpgrade kernel-livepatch-4_12_14-150_58-defaultUpgrade kernel-preemptUpgrade kernel-livepatch-4_12_14-197_83-defaultUpgrade kernel-debugUpgrade reiserfs-kmp-preemptUpgrade kernel-livepatch-5_3_18-59_10-defaultUpgrade gfs2-kmp-64kbUpgrade dtb-amdUpgrade kernel-livepatch-5_3_18-24_61-defaultUpgrade kernel-kvmsmall-baseUpgrade gfs2-kmp-azureUpgrade dtb-alteraUpgrade kernel-source-azureUpgrade kernel-livepatch-5_3_18-24_78-defaultUpgrade kernel-zfcpdumpUpgrade kernel-azure-baseUpgrade kernel-livepatch-5_3_18-24_29-defaultUpgrade kernel-livepatch-4_12_14-197_51-defaultUpgrade kernel-azure-extraUpgrade kernel-devel-azureUpgrade gfs2-kmp-defaultUpgrade kernel-preempt-extraUpgrade kernel-zfcpdump-manUpgrade kernel-default-baseUpgrade dtb-alUpgrade dtb-socionextUpgrade kgraft-patch-4_12_14-122_51-defaultUpgrade dtb-zteUpgrade kernel-defaultUpgrade kernel-livepatch-5_3_18-24_24-defaultUpgrade dtb-renesasUpgrade kernel-livepatch-4_12_14-150_78-defaultUpgrade dtb-qcomUpgrade kernel-livepatch-4_12_14-150_69-defaultUpgrade kernel-default-livepatch-develUpgrade kernel-livepatch-5_3_18-24_70-defaultUpgrade kernel-docsUpgrade kernel-livepatch-5_3_18-59_19-defaultUpgrade dlm-kmp-preemptUpgrade gfs2-kmp-preemptUpgrade kgraft-patch-4_12_14-122_57-defaultUpgrade kernel-source-vanillaUpgrade kselftests-kmp-preemptUpgrade kernel-preempt-optionalUpgrade dtb-rockchipUpgrade reiserfs-kmp-azureUpgrade kernel-develUpgrade kernel-livepatch-5_3_18-24_52-defaultUpgrade kgraft-patch-4_12_14-122_71-defaultUpgrade kernel-livepatch-4_12_14-197_72-defaultUpgrade kernel-default-kgraft-develUpgrade kgraft-patch-4_12_14-95_74-defaultUpgrade kgraft-patch-4_12_14-95_77-defaultUpgrade kgraft-patch-4_12_14-122_80-defaultUpgrade dtb-xilinxUpgrade kernel-livepatch-5_3_18-24_37-defaultUpgrade kernel-livepatch-5_3_18-24_67-defaultUpgrade kernel-livepatch-4_12_14-197_56-defaultUpgrade dtb-mediatekUpgrade kernel-azure-develUpgrade kernel-obs-buildUpgrade ocfs2-kmp-azureUpgrade kernel-azureUpgrade kernel-64kb-extraUpgrade kernel-livepatch-4_12_14-197_86-defaultUpgrade dlm-kmp-azureUpgrade kernel-livepatch-4_12_14-197_61-defaultUpgrade kgraft-patch-4_12_14-122_54-defaultUpgrade kgraft-patch-4_12_14-122_63-defaultUpgrade kgraft-patch-4_12_14-95_80-defaultUpgrade kernel-default-base-rebuildUpgrade kernel-default-manUpgrade kgraft-patch-4_12_14-122_83-defaultUpgrade kernel-debug-livepatch-develUpgrade kernel-livepatch-4_12_14-197_102-defaultUpgrade kgraft-patch-4_12_14-95_68-defaultUpgrade kernel-livepatch-4_12_14-150_75-defaultUpgrade kgraft-patch-4_12_14-122_32-defaultUpgrade dtb-sprdUpgrade dlm-kmp-defaultUpgrade kgraft-patch-4_12_14-95_71-defaultUpgrade kernel-livepatch-5_3_18-59_16-defaultUpgrade kernel-livepatch-5_3_18-24_46-defaultUpgrade kernel-preempt-develUpgrade kgraft-patch-4_12_14-122_37-defaultUpgrade cluster-md-kmp-64kbUpgrade cluster-md-kmp-defaultUpgrade dtb-nvidiaUpgrade kgraft-patch-4_12_14-95_60-defaultUpgrade kernel-livepatch-5_3_18-57-defaultUpgrade kselftests-kmp-defaultUpgrade kernel-livepatch-5_3_18-24_15-defaultUpgrade kernel-vanilla-livepatch-develUpgrade kgraft-patch-4_12_14-95_65-defaultUpgrade dtb-armUpgrade kgraft-patch-4_12_14-122_60-defaultUpgrade kernel-default-optionalUpgrade kgraft-patch-4_12_14-122_41-defaultUpgrade kernel-livepatch-4_12_14-197_92-default | Aug 11, 2021 | May 26, 2021 |
| Ubuntu | — | Upgrade linux-image-5.4.0-84-genericUpgrade linux-image-5.4.0-1046-kvmUpgrade linux-image-4.15.0-1109-gcpUpgrade linux-image-5.11.0-1017-raspiUpgrade linux-image-kvmUpgrade linux-image-gkeUpgrade linux-image-snapdragonUpgrade linux-image-raspiUpgrade linux-image-5.11.0-1015-azureUpgrade linux-image-5.11.0-34-genericUpgrade linux-image-oemUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-oracle-lts-18.04Upgrade linux-image-5.4.0-84-generic-lpaeUpgrade linux-image-5.4.0-1052-gkeUpgrade linux-image-5.4.0-1023-gkeopUpgrade linux-image-gke-5.4Upgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-4.15.0-159-lowlatencyUpgrade linux-image-5.11.0-34-lowlatencyUpgrade linux-image-azure-lts-18.04Upgrade linux-image-5.8.0-1043-azureUpgrade linux-image-5.11.0-34-generic-lpaeUpgrade linux-image-5.11.0-1018-gcpUpgrade linux-image-oem-20.04Upgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-4.15.0-1096-raspi2Upgrade linux-image-azureUpgrade linux-image-4.15.0-1113-snapdragonUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-4.15.0-1028-dell300xUpgrade linux-image-5.11.0-1017-raspi-nolpaeUpgrade linux-image-raspi-hwe-18.04Upgrade linux-image-5.4.0-84-lowlatencyUpgrade linux-image-aws-lts-18.04Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-aws-hweUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-dell300xUpgrade linux-image-awsUpgrade linux-image-4.15.0-1100-kvmUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-4.15.0-1124-azureUpgrade linux-image-5.11.0-1017-awsUpgrade linux-image-gcp-lts-18.04Upgrade linux-image-4.15.0-1112-awsUpgrade linux-image-raspi2Upgrade linux-image-4.15.0-159-genericUpgrade linux-image-genericUpgrade linux-image-generic-hwe-16.04Upgrade linux-image-gcp-lts-20.04Upgrade linux-image-gkeop-5.4Upgrade linux-image-gkeopUpgrade linux-image-oem-osp1Upgrade linux-image-4.15.0-159-generic-lpaeUpgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-azure-lts-20.04Upgrade linux-image-5.11.0-1017-oracleUpgrade linux-image-raspi-nolpaeUpgrade linux-image-virtualUpgrade linux-image-5.4.0-1052-gcpUpgrade linux-image-5.11.0-1015-kvmUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-virtual-hwe-16.04Upgrade linux-image-5.4.0-1043-raspiUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-gcpUpgrade linux-image-generic-lpaeUpgrade linux-image-oem-20.04bUpgrade linux-image-generic-64kUpgrade linux-image-lowlatencyUpgrade linux-image-4.15.0-1081-oracleUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-aws-lts-20.04Upgrade linux-image-oracleUpgrade linux-image-5.10.0-1049-oemUpgrade linux-image-5.4.0-1056-awsUpgrade linux-image-5.11.0-34-generic-64kUpgrade linux-image-5.4.0-1058-azureUpgrade linux-image-5.4.0-1054-oracle | Sep 9, 2021 | May 26, 2021 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | May 26, 2021 |
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