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