In the Linux kernel, the following vulnerability has been resolved:
ACPI: CPPC: Fix NULL pointer dereference when nosmp is used
With nosmp in cmdline, other CPUs are not brought up, leaving their cpc_desc_ptr NULL. CPU0's iteration via for_each_possible_cpu() dereferences these NULL pointers, causing panic.
Panic backtrace:
[ 0.401123] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000b8 ... [ 0.403255] [<ffffffff809a5818>] cppc_allow_fast_switch+0x6a/0xd4 ... Kernel panic - not syncing: Attempted to kill init!
[ rjw: New subject ]
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_2023 | — | Upgrade kernel-livepatch-6.12.35-55.103Upgrade kernel-livepatch-6.1.144-170.251Upgrade kernel-libbpf-debuginfoUpgrade kernel-toolsUpgrade kernel6.12-modules-extraUpgrade perf6.12-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-develUpgrade bpftool-debuginfoUpgrade kernel6.12Upgrade python3-perfUpgrade kernel-tools-debuginfoUpgrade perf-debuginfoUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel6.12-debuginfo-common-x86_64Upgrade perfUpgrade kernel-libbpfUpgrade kernel-tools-develUpgrade kernel-modules-extraUpgrade kernel-headersUpgrade bpftoolUpgrade kernelUpgrade kernel-libbpf-develUpgrade kernel-debuginfoUpgrade perf6.12Upgrade kernel-modules-extra-commonUpgrade python3-perf6.12Upgrade kernel6.12-debuginfoUpgrade kernel-libbpf-staticUpgrade python3-perf-debuginfoUpgrade python3-perf6.12-debuginfoUpgrade kernel-debuginfo-common-x86_64 | Aug 5, 2025 | Jul 3, 2025 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Jul 4, 2025 | Jul 4, 2025 |
| Oracle_linux | — | Upgrade kernel-uek | May 13, 2026 | Jul 3, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jul 3, 2025 |
| Suse | — | Upgrade dtb-exynosUpgrade gfs2-kmp-64kbUpgrade kernel-rt_debug-develUpgrade kernel-symsUpgrade kernel-kvmsmall-vdsoUpgrade dtb-hisiliconUpgrade kernel-default-vdsoUpgrade kselftests-kmp-azureUpgrade kernel-rt-vdsoUpgrade dtb-marvellUpgrade kernel-macrosUpgrade dtb-allwinnerUpgrade dtb-amazonUpgrade dtb-broadcomUpgrade kernel-sourceUpgrade kernel-source-rtUpgrade kernel-syms-azureUpgrade kernel-docs-htmlUpgrade dlm-kmp-64kbUpgrade dtb-alteraUpgrade dtb-appleUpgrade dtb-freescaleUpgrade kernel-64kb-optionalUpgrade ocfs2-kmp-64kbUpgrade reiserfs-kmp-64kbUpgrade kernel-default-develUpgrade kernel-debug-develUpgrade kernel-source-azureUpgrade kernel-azureUpgrade kernel-zfcpdumpUpgrade kernel-develUpgrade ocfs2-kmp-defaultUpgrade dtb-caviumUpgrade kernel-default-livepatchUpgrade gfs2-kmp-azureUpgrade ocfs2-kmp-rtUpgrade cluster-md-kmp-azureUpgrade gfs2-kmp-rtUpgrade kernel-azure-extraUpgrade kernel-devel-azureUpgrade kernel-rt-optionalUpgrade kernel-64kbUpgrade kernel-rt_debugUpgrade kernel-kvmsmall-develUpgrade dtb-apmUpgrade kselftests-kmp-64kbUpgrade kernel-azure-optionalUpgrade kernel-default-extraUpgrade kernel-source-vanillaUpgrade cluster-md-kmp-rtUpgrade dtb-amdUpgrade kernel-debugUpgrade dtb-lgUpgrade kernel-kvmsmallUpgrade kernel-obs-qaUpgrade dtb-nvidiaUpgrade dlm-kmp-rtUpgrade kselftests-kmp-rtUpgrade cluster-md-kmp-defaultUpgrade dlm-kmp-defaultUpgrade kernel-rt-livepatchUpgrade kernel-default-optionalUpgrade kernel-default-livepatch-develUpgrade dtb-mediatekUpgrade ocfs2-kmp-azureUpgrade kernel-rtUpgrade kernel-rt-livepatch-develUpgrade kernel-azure-vdsoUpgrade kernel-64kb-develUpgrade dtb-xilinxUpgrade dtb-armUpgrade dlm-kmp-azureUpgrade kernel-syms-rtUpgrade kernel-obs-buildUpgrade kernel-debug-vdsoUpgrade reiserfs-kmp-azureUpgrade dtb-renesasUpgrade reiserfs-kmp-rtUpgrade kernel-default-base-rebuildUpgrade dtb-socionextUpgrade dtb-rockchipUpgrade kernel-rt-extraUpgrade dtb-amlogicUpgrade kernel-azure-develUpgrade dtb-qcomUpgrade kernel-docsUpgrade kernel-defaultUpgrade kernel-default-baseUpgrade kernel-rt-develUpgrade reiserfs-kmp-defaultUpgrade cluster-md-kmp-64kbUpgrade kselftests-kmp-defaultUpgrade kernel-rt_debug-vdsoUpgrade gfs2-kmp-defaultUpgrade dtb-sprdUpgrade kernel-64kb-extraUpgrade kernel-devel-rt | Dec 5, 2025 | Aug 18, 2025 |
| Ubuntu | — | Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-gke-6.8Upgrade linux-image-6.14.0-1016-gcp-64kUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-realtime-6.14Upgrade linux-image-6.8.0-1046-azureUpgrade linux-image-oracle-64k-6.14Upgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.14.0-1013-awsUpgrade linux-image-6.8.0-100-genericUpgrade linux-image-raspi-realtimeUpgrade linux-image-generic-6.8Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-raspi-6.14Upgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-gkeopUpgrade linux-image-virtual-6.8Upgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-6.14.0-1012-realtimeUpgrade linux-image-aws-64kUpgrade linux-image-6.14.0-1013-aws-64kUpgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-intel-iotgUpgrade linux-image-xilinx-6.8Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-gke-64kUpgrade linux-image-oem-22.04dUpgrade linux-image-realtime-6.8.1Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-aws-6.8Upgrade linux-image-nvidia-64kUpgrade linux-image-azure-lts-24.04Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-ibmUpgrade linux-image-generic-6.14Upgrade linux-image-aws-lts-24.04Upgrade linux-image-oem-24.04aUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-oem-24.04cUpgrade linux-image-oracle-6.8Upgrade linux-image-6.8.0-1051-azureUpgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-raspi-6.8Upgrade linux-image-aws-64k-6.8Upgrade linux-image-gcpUpgrade linux-image-oem-22.04cUpgrade linux-image-gcp-64kUpgrade linux-image-aws-6.14Upgrade linux-image-aws-64k-6.14Upgrade linux-image-azure-fips-6.8Upgrade linux-image-6.14.0-1013-oracle-64kUpgrade linux-image-xilinxUpgrade linux-image-oem-24.04Upgrade linux-image-6.14.0-1016-gcpUpgrade linux-image-genericUpgrade linux-image-nvidia-6.8Upgrade linux-image-lowlatencyUpgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-raspiUpgrade linux-image-fips-6.8Upgrade linux-image-virtual-6.14Upgrade linux-image-gcp-fipsUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-1046-awsUpgrade linux-image-gke-64k-6.8Upgrade linux-image-6.14.0-32-generic-64kUpgrade linux-image-oracle-64kUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-oem-22.04aUpgrade linux-image-gcp-6.14Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-nvidiaUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-gcp-64k-6.14Upgrade linux-image-oem-22.04bUpgrade linux-image-azureUpgrade linux-image-ibm-classicUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-generic-64kUpgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-azure-6.8Upgrade linux-image-azure-fipsUpgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-ibm-6.8Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-virtualUpgrade linux-image-oem-6.14Upgrade linux-image-aws-fips-6.8Upgrade linux-image-oem-24.04bUpgrade linux-image-oracleUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-generic-64k-6.14Upgrade linux-image-oem-22.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-aws-fipsUpgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-awsUpgrade linux-image-realtimeUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-gkeop-6.8Upgrade linux-image-gkeUpgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-generic-64k-6.8Upgrade linux-image-gcp-64k-6.8Upgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.14.0-1012-azureUpgrade linux-image-oracle-6.14Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-lowlatency-6.8Upgrade linux-image-kvmUpgrade linux-image-6.14.0-1014-raspiUpgrade linux-image-6.14.0-1013-oracleUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-generic-lpaeUpgrade linux-image-6.14.0-1012-oemUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-azure-6.14Upgrade linux-image-gcp-6.8Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-6.14.0-32-genericUpgrade linux-image-fipsUpgrade linux-image-6.8.0-100-fipsUpgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-6.8.0-1043-gke-64k | Jul 7, 2025 | Jul 3, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 16, 2025 | Jul 3, 2025 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub