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 kernel-kvmsmall-vdsoUpgrade kernel-rt-extraUpgrade dtb-hisiliconUpgrade dtb-broadcomUpgrade gfs2-kmp-defaultUpgrade dtb-armUpgrade dtb-marvellUpgrade kernel-rt_debug-livepatch-develUpgrade kselftests-kmp-defaultUpgrade dlm-kmp-defaultUpgrade kernel-defaultUpgrade kernel-docs-htmlUpgrade kernel-azure-vdsoUpgrade kernel-rt_debugUpgrade kernel-rt-livepatch-develUpgrade dtb-allwinnerUpgrade dtb-appleUpgrade dtb-sprdUpgrade kernel-default-livepatch-develUpgrade kernel-azureUpgrade reiserfs-kmp-rtUpgrade dlm-kmp-rtUpgrade kernel-azure-extraUpgrade kernel-kvmsmall-livepatch-develUpgrade cluster-md-kmp-64kbUpgrade kernel-debugUpgrade kselftests-kmp-rtUpgrade kernel-debug-vdsoUpgrade ocfs2-kmp-azureUpgrade dtb-amdUpgrade kernel-source-vanillaUpgrade kernel-64kb-develUpgrade dtb-renesasUpgrade kernel-docsUpgrade kernel-obs-buildUpgrade kernel-64kb-extraUpgrade reiserfs-kmp-defaultUpgrade kernel-64kb-optionalUpgrade ocfs2-kmp-defaultUpgrade kernel-debug-develUpgrade kernel-syms-rtUpgrade dtb-nvidiaUpgrade dtb-socionextUpgrade kernel-default-baseUpgrade kernel-rt_debug-vdsoUpgrade dlm-kmp-azureUpgrade kernel-64kb-livepatch-develUpgrade dtb-amazonUpgrade dtb-amlogicUpgrade gfs2-kmp-azureUpgrade dtb-mediatekUpgrade kernel-source-azureUpgrade reiserfs-kmp-azureUpgrade kernel-rt-vdsoUpgrade kernel-rtUpgrade kernel-devel-azureUpgrade kernel-default-develUpgrade kernel-64kbUpgrade dtb-freescaleUpgrade kernel-macrosUpgrade kernel-kvmsmall-develUpgrade kernel-syms-azureUpgrade kernel-symsUpgrade kernel-develUpgrade cluster-md-kmp-azureUpgrade reiserfs-kmp-64kbUpgrade kernel-debug-livepatch-develUpgrade kernel-rt_debug-develUpgrade kernel-azure-develUpgrade dtb-rockchipUpgrade kernel-devel-rtUpgrade kernel-sourceUpgrade ocfs2-kmp-64kbUpgrade kernel-source-rtUpgrade kernel-kvmsmallUpgrade gfs2-kmp-rtUpgrade dtb-apmUpgrade cluster-md-kmp-rtUpgrade kernel-rt-optionalUpgrade kernel-rt-develUpgrade kernel-default-extraUpgrade kernel-azure-livepatch-develUpgrade dtb-xilinxUpgrade dtb-exynosUpgrade kselftests-kmp-azureUpgrade dtb-qcomUpgrade kernel-rt-livepatchUpgrade kernel-obs-qaUpgrade gfs2-kmp-64kbUpgrade cluster-md-kmp-defaultUpgrade dtb-lgUpgrade kernel-default-base-rebuildUpgrade kernel-default-optionalUpgrade kernel-zfcpdumpUpgrade kselftests-kmp-64kbUpgrade kernel-default-livepatchUpgrade dtb-caviumUpgrade ocfs2-kmp-rtUpgrade dtb-alteraUpgrade kernel-default-vdsoUpgrade kernel-azure-optionalUpgrade dlm-kmp-64kb | Aug 14, 2024 | Jul 30, 2024 |
| Ubuntu | — | Upgrade linux-image-5.15.0-1028-nvidia-tegra-igxUpgrade linux-image-5.15.0-1091-azureUpgrade linux-image-lowlatencyUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-1017-azureUpgrade linux-image-nvidia-tegraUpgrade linux-image-6.8.0-1017-gcpUpgrade linux-image-nvidiaUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-intelUpgrade linux-image-5.15.0-1039-nvidia-tegraUpgrade linux-image-gcp-fipsUpgrade linux-image-aws-lts-22.04Upgrade linux-image-genericUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-oracle-64kUpgrade linux-image-gkeopUpgrade linux-image-oem-20.04bUpgrade linux-image-intel-iotgUpgrade linux-image-6.8.0-1017-nvidia-64kUpgrade linux-image-oem-22.04bUpgrade linux-image-6.8.0-1014-raspiUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-5.15.0-1091-azure-fipsUpgrade linux-image-6.8.0-1017-nvidiaUpgrade linux-image-5.15.0-1080-nvidia-lowlatencyUpgrade linux-image-5.15.0-1086-aws-fipsUpgrade linux-image-5.15.0-142-generic-lpaeUpgrade linux-image-5.15.0-1081-intel-iotgUpgrade linux-image-5.15.0-1078-ibmUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-oem-24.04aUpgrade linux-image-6.8.0-48-lowlatency-64kUpgrade linux-image-6.8.0-48-lowlatencyUpgrade linux-image-5.15.0-1086-awsUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-azure-fipsUpgrade linux-image-raspiUpgrade linux-image-5.15.0-1068-gkeopUpgrade linux-image-5.15.0-1080-nvidiaUpgrade linux-image-generic-lpaeUpgrade linux-image-nvidia-64kUpgrade linux-image-azure-lts-22.04Upgrade linux-image-fipsUpgrade linux-image-oem-22.04cUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-6.8.0-1002-gkeopUpgrade linux-image-6.8.0-1016-azure-fdeUpgrade linux-image-azure-fdeUpgrade linux-image-oem-22.04Upgrade linux-image-oem-22.04aUpgrade linux-image-5.15.0-1086-aws-64kUpgrade linux-image-5.15.0-1083-intel-iotgUpgrade linux-image-ibmUpgrade linux-image-5.15.0-142-lowlatency-64kUpgrade linux-image-azureUpgrade linux-image-aws-fipsUpgrade linux-image-6.8.0-1016-azureUpgrade linux-image-6.8.0-1016-gcpUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-5.15.0-142-fipsUpgrade linux-image-lowlatency-64kUpgrade linux-image-oem-20.04cUpgrade linux-image-generic-64kUpgrade linux-image-oem-20.04dUpgrade linux-image-5.15.0-1083-oracleUpgrade linux-image-gke-5.15Upgrade linux-image-gkeop-6.8Upgrade linux-image-5.15.0-1079-intel-iot-realtimeUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.8.0-48-generic-64kUpgrade linux-image-ibm-classicUpgrade linux-image-intel-iotg-5.15Upgrade linux-image-6.8.0-1014-ibmUpgrade linux-image-6.8.0-1017-azure-fdeUpgrade linux-image-6.8.0-1017-nvidia-lowlatency-64kUpgrade linux-image-5.15.0-1086-realtimeUpgrade linux-image-5.15.0-142-generic-64kUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-gcp-lts-22.04Upgrade linux-image-5.15.0-1080-raspiUpgrade linux-image-5.15.0-1085-gcp-fipsUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-5.15.0-1028-nvidia-tegra-igx-rtUpgrade linux-image-gcpUpgrade linux-image-5.15.0-142-lowlatencyUpgrade linux-image-oracleUpgrade linux-image-5.15.0-1085-gcpUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-1016-oemUpgrade linux-image-gkeUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-oem-22.04dUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1018-awsUpgrade linux-image-5.15.0-1039-nvidia-tegra-rtUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-oem-20.04Upgrade linux-image-realtimeUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-awsUpgrade linux-image-5.15.0-1083-gkeUpgrade linux-image-5.15.0-1050-xilinx-zynqmpUpgrade linux-image-gkeop-5.15Upgrade linux-image-6.8.0-1015-oracle-64kUpgrade linux-image-6.8.0-1013-gkeUpgrade linux-image-nvidia-6.8Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-oem-24.04Upgrade linux-image-5.15.0-142-genericUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-kvmUpgrade linux-image-6.8.0-1017-nvidia-lowlatencyUpgrade linux-image-6.8.0-1015-oracleUpgrade linux-image-5.15.0-1082-kvmUpgrade linux-image-raspi-nolpaeUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-azure-cvmUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-virtualUpgrade linux-image-6.8.0-48-generic | 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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