In the Linux kernel, the following vulnerability has been resolved:
powerpc/pseries: Fix scv instruction crash with kexec
kexec on pseries disables AIL (reloc_on_exc), required for scv instruction support, before other CPUs have been shut down. This means they can execute scv instructions after AIL is disabled, which causes an interrupt at an unexpected entry location that crashes the kernel.
Change the kexec sequence to disable AIL after other CPUs have been brought down.
As a refresher, the real-mode scv interrupt vector is 0x17000, and the fixed-location head code probably couldn't easily deal with implementing such high addresses so it was just decided not to support that interrupt at all.
CVSS Details
- CVSS 3.1 Base Score: 4.4
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Aug 7, 2024 | Jul 30, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jul 30, 2024 |
| Suse | — | Upgrade reiserfs-kmp-64kbUpgrade cluster-md-kmp-azureUpgrade kernel-syms-azureUpgrade kernel-debug-livepatch-develUpgrade dtb-qcomUpgrade kernel-develUpgrade kernel-symsUpgrade gfs2-kmp-azureUpgrade kselftests-kmp-azureUpgrade dtb-alteraUpgrade kselftests-kmp-64kbUpgrade dtb-exynosUpgrade kernel-macrosUpgrade kernel-zfcpdumpUpgrade kernel-azure-optionalUpgrade gfs2-kmp-rtUpgrade cluster-md-kmp-rtUpgrade kernel-default-base-rebuildUpgrade kernel-default-optionalUpgrade kernel-kvmsmall-develUpgrade kernel-default-vdsoUpgrade ocfs2-kmp-64kbUpgrade dtb-mediatekUpgrade kernel-devel-rtUpgrade dtb-rockchipUpgrade kernel-default-extraUpgrade kernel-azure-develUpgrade kernel-rt_debug-develUpgrade kernel-rt-optionalUpgrade dtb-apmUpgrade kernel-rt-develUpgrade dtb-xilinxUpgrade kernel-rtUpgrade kernel-source-azureUpgrade kernel-azure-livepatch-develUpgrade kernel-64kbUpgrade kernel-default-develUpgrade dtb-amlogicUpgrade kernel-devel-azureUpgrade kernel-rt-livepatchUpgrade dtb-amazonUpgrade dtb-freescaleUpgrade kernel-rt-vdsoUpgrade kernel-64kb-livepatch-develUpgrade kernel-default-livepatchUpgrade gfs2-kmp-64kbUpgrade reiserfs-kmp-azureUpgrade kernel-source-rtUpgrade kernel-kvmsmallUpgrade kernel-sourceUpgrade cluster-md-kmp-defaultUpgrade ocfs2-kmp-rtUpgrade kernel-obs-qaUpgrade dtb-lgUpgrade dtb-caviumUpgrade dlm-kmp-64kbUpgrade kernel-kvmsmall-vdsoUpgrade dtb-hisiliconUpgrade dtb-socionextUpgrade dtb-renesasUpgrade dtb-sprdUpgrade dtb-appleUpgrade dtb-broadcomUpgrade dtb-armUpgrade kselftests-kmp-defaultUpgrade kernel-rt_debug-livepatch-develUpgrade kernel-rt-extraUpgrade gfs2-kmp-defaultUpgrade dtb-marvellUpgrade cluster-md-kmp-64kbUpgrade kernel-defaultUpgrade kernel-syms-rtUpgrade kernel-rt_debug-vdsoUpgrade kernel-docs-htmlUpgrade kernel-debug-develUpgrade kernel-64kb-optionalUpgrade dtb-nvidiaUpgrade dlm-kmp-defaultUpgrade reiserfs-kmp-defaultUpgrade ocfs2-kmp-defaultUpgrade kernel-64kb-develUpgrade kernel-obs-buildUpgrade kernel-docsUpgrade kernel-64kb-extraUpgrade dtb-amdUpgrade kernel-source-vanillaUpgrade kernel-debugUpgrade dtb-allwinnerUpgrade dlm-kmp-azureUpgrade kernel-default-baseUpgrade kernel-debug-vdsoUpgrade kernel-azureUpgrade ocfs2-kmp-azureUpgrade kernel-azure-extraUpgrade kernel-default-livepatch-develUpgrade kernel-azure-vdsoUpgrade dlm-kmp-rtUpgrade reiserfs-kmp-rtUpgrade kselftests-kmp-rtUpgrade kernel-rt_debugUpgrade kernel-rt-livepatch-develUpgrade kernel-kvmsmall-livepatch-devel | Aug 14, 2024 | Jul 30, 2024 |
| Ubuntu | — | Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-1013-gkeUpgrade linux-image-gkeop-5.15Upgrade linux-image-5.15.0-1085-gcp-fipsUpgrade linux-image-realtimeUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-5.15.0-1086-realtimeUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.8.0-1018-awsUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-6.8.0-1017-nvidia-lowlatency-64kUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-awsUpgrade linux-image-5.15.0-1039-nvidia-tegra-rtUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-oem-24.04Upgrade linux-image-nvidia-tegra-igxUpgrade linux-image-6.8.0-1017-nvidia-lowlatencyUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-6.8.0-1017-azure-fdeUpgrade linux-image-raspi-nolpaeUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-5.15.0-1082-kvmUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-kvmUpgrade linux-image-6.8.0-1015-oracleUpgrade linux-image-6.8.0-48-genericUpgrade linux-image-oem-20.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-gkeUpgrade linux-image-virtualUpgrade linux-image-azure-cvmUpgrade linux-image-5.15.0-1028-nvidia-tegra-igx-rtUpgrade linux-image-5.15.0-1080-raspiUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-5.15.0-1050-xilinx-zynqmpUpgrade linux-image-5.15.0-142-generic-64kUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-6.8.0-1016-oemUpgrade linux-image-azure-fdeUpgrade linux-image-azureUpgrade linux-image-oem-22.04Upgrade linux-image-5.15.0-1068-gkeopUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-48-generic-64kUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-oracle-64kUpgrade linux-image-lowlatencyUpgrade linux-image-genericUpgrade linux-image-6.8.0-48-lowlatencyUpgrade linux-image-6.8.0-1017-gcpUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-5.15.0-1028-nvidia-tegra-igxUpgrade linux-image-5.15.0-1091-azureUpgrade linux-image-oem-24.04aUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-5.15.0-1083-oracleUpgrade linux-image-5.15.0-1086-aws-fipsUpgrade linux-image-6.8.0-48-lowlatency-64kUpgrade linux-image-5.15.0-1080-nvidia-lowlatencyUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-intel-iotgUpgrade linux-image-6.8.0-1017-azureUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-ibm-classicUpgrade linux-image-5.15.0-1086-awsUpgrade linux-image-5.15.0-1078-ibmUpgrade linux-image-azure-fipsUpgrade linux-image-5.15.0-1083-intel-iotgUpgrade linux-image-azure-lts-22.04Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-oem-22.04bUpgrade linux-image-aws-fipsUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-nvidia-64kUpgrade linux-image-oem-22.04cUpgrade linux-image-nvidiaUpgrade linux-image-nvidia-tegraUpgrade linux-image-6.8.0-1014-ibmUpgrade linux-image-5.15.0-1081-intel-iotgUpgrade linux-image-oem-22.04aUpgrade linux-image-5.15.0-1086-aws-64kUpgrade linux-image-oem-20.04bUpgrade linux-image-ibmUpgrade linux-image-aws-lts-22.04Upgrade linux-image-6.8.0-1017-nvidia-64kUpgrade linux-image-gcp-fipsUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-5.15.0-1091-azure-fipsUpgrade linux-image-gkeopUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-6.8.0-1014-raspiUpgrade linux-image-5.15.0-142-lowlatency-64kUpgrade linux-image-5.15.0-142-generic-lpaeUpgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-1016-azure-fdeUpgrade linux-image-5.15.0-1080-nvidiaUpgrade linux-image-5.15.0-142-fipsUpgrade linux-image-raspiUpgrade linux-image-6.8.0-1017-nvidiaUpgrade linux-image-intelUpgrade linux-image-generic-64kUpgrade linux-image-5.15.0-1079-intel-iot-realtimeUpgrade linux-image-oem-20.04cUpgrade linux-image-6.8.0-1016-azureUpgrade linux-image-gke-5.15Upgrade linux-image-6.8.0-1016-gcpUpgrade linux-image-intel-iotg-5.15Upgrade linux-image-fipsUpgrade linux-image-5.15.0-1039-nvidia-tegraUpgrade linux-image-oem-20.04dUpgrade linux-image-lowlatency-64kUpgrade linux-image-gkeop-6.8Upgrade linux-image-6.8.0-1002-gkeopUpgrade linux-image-5.15.0-142-genericUpgrade linux-image-6.8.0-1015-oracle-64kUpgrade linux-image-5.15.0-1083-gkeUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-oem-22.04dUpgrade linux-image-5.15.0-142-lowlatencyUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-gcpUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-oracleUpgrade linux-image-5.15.0-1085-gcp | Nov 4, 2024 | Jul 30, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jul 30, 2024 |
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