In the Linux kernel, the following vulnerability has been resolved:
fs/proc: fix softlockup in __read_vmcore (part 2)
Since commit 5cbcb62dddf5 ("fs/proc: fix softlockup in __read_vmcore") the number of softlockups in __read_vmcore at kdump time have gone down, but they still happen sometimes.
In a memory constrained environment like the kdump image, a softlockup is not just a harmless message, but it can interfere with things like RCU freeing memory, causing the crashdump to get stuck.
The second loop in __read_vmcore has a lot more opportunities for natural sleep points, like scheduling out while waiting for a data write to happen, but apparently that is not always enough.
Add a cond_resched() to the second loop in __read_vmcore to (hopefully) get rid of the softlockups.
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 Ami 2 | — | Upgrade kernel-tools-develUpgrade kernel-toolsUpgrade perfUpgrade kernel-livepatch-5.15.178-120.178Upgrade kernelUpgrade python-perfUpgrade bpftoolUpgrade python-perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-develUpgrade kernel-livepatch-5.10.234-225.895Upgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade perf-debuginfoUpgrade kernel-headersUpgrade kernel-debuginfo-common-aarch64 | Mar 14, 2025 | Feb 12, 2025 |
| Amazon_linux_2023 | — | Upgrade bpftoolUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade kernel-libbpf-staticUpgrade kernel-headersUpgrade kernel-libbpf-develUpgrade kernel-debuginfoUpgrade python3-perfUpgrade python3-perf-debuginfoUpgrade kernel-modules-extra-commonUpgrade kernel-libbpfUpgrade perfUpgrade kernel-tools-develUpgrade kernel-toolsUpgrade kernel-modules-extraUpgrade kernel-tools-debuginfoUpgrade kernel-livepatch-6.1.127-135.201Upgrade kernel-develUpgrade kernel-debuginfo-common-aarch64Upgrade bpftool-debuginfoUpgrade perf-debuginfo | Mar 27, 2025 | Feb 12, 2025 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Feb 14, 2025 | Feb 12, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernelUpgrade bpftoolUpgrade python3-perfUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade kernel-tools | Apr 11, 2025 | Feb 12, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade bpftoolUpgrade python3-perfUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade kernel | May 7, 2025 | Feb 12, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-toolsUpgrade python3-perfUpgrade kernelUpgrade kernel-abi-stablelists | Jun 11, 2025 | Feb 12, 2025 |
| Redhat_linux | — | No solution existsUpgrade kernel-rtUpgrade kernel | May 15, 2025 | Feb 12, 2025 |
| Ubuntu | — | Upgrade linux-image-oem-22.04dUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-5.15.0-1062-gkeopUpgrade linux-image-6.11.0-1011-raspiUpgrade linux-image-6.8.1-1023-realtimeUpgrade linux-image-genericUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-6.8.0-1026-gkeUpgrade linux-image-5.4.0-1129-raspiUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-5.4.0-211-generic-lpaeUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-5.15.0-1083-azure-fipsUpgrade linux-image-kvmUpgrade linux-image-6.11.0-1012-lowlatency-64kUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-5.15.0-1080-awsUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-6.11.0-1012-lowlatencyUpgrade linux-image-5.15.0-135-lowlatency-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-5.4.0-1145-gcpUpgrade linux-image-5.15.0-135-genericUpgrade linux-image-6.11.0-1020-oemUpgrade linux-image-5.4.0-1048-iotUpgrade linux-image-6.11.0-1013-azure-fdeUpgrade linux-image-5.4.0-1142-aws-fipsUpgrade linux-image-azure-fipsUpgrade linux-image-ibmUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-5.15.0-1076-kvmUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-oem-22.04aUpgrade linux-image-awsUpgrade linux-image-5.15.0-135-fipsUpgrade linux-image-generic-lpaeUpgrade linux-image-azure-lts-24.04Upgrade linux-image-raspi-hwe-18.04Upgrade linux-image-raspi-nolpaeUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-5.15.0-136-genericUpgrade linux-image-6.11.0-1012-awsUpgrade linux-image-5.15.0-1079-gcpUpgrade linux-image-5.15.0-1077-oracleUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-5.4.0-211-genericUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-5.15.0-135-generic-lpaeUpgrade linux-image-ibm-classicUpgrade linux-image-lowlatencyUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-6.8.0-1029-raspiUpgrade linux-image-6.8.0-2024-raspi-realtimeUpgrade linux-image-6.8.0-1029-nvidia-64kUpgrade linux-image-5.4.0-1088-ibmUpgrade linux-image-5.15.0-1021-nvidia-tegra-igxUpgrade linux-image-5.4.0-1129-kvmUpgrade linux-image-gcp-lts-20.04Upgrade linux-image-nvidia-tegra-igxUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-oem-22.04Upgrade linux-image-gke-5.15Upgrade linux-image-lowlatency-64kUpgrade linux-image-5.15.0-1086-azure-fdeUpgrade linux-image-5.15.0-1072-ibmUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-generic-6.8Upgrade linux-image-aws-lts-22.04Upgrade linux-image-gcpUpgrade linux-image-aws-64kUpgrade linux-image-6.8.0-62-generic-64kUpgrade linux-image-5.15.0-136-generic-lpaeUpgrade linux-image-5.15.0-1077-intel-iotgUpgrade linux-image-6.11.0-1013-gcpUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-bluefieldUpgrade linux-image-6.8.0-64-genericUpgrade linux-image-6.8.0-1027-oracleUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-5.15.0-136-generic-64kUpgrade linux-image-virtualUpgrade linux-image-6.11.0-1008-realtimeUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-6.8.0-1018-azure-nvidiaUpgrade linux-image-gkeUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-6.11.0-1013-azureUpgrade linux-image-6.8.0-1030-azureUpgrade linux-image-5.4.0-1090-ibmUpgrade linux-image-oracleUpgrade linux-image-azure-lts-20.04Upgrade linux-image-6.8.0-1029-nvidiaUpgrade linux-image-5.4.0-1116-fipsUpgrade linux-image-raspi2Upgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-realtimeUpgrade linux-image-aws-fipsUpgrade linux-image-6.8.0-1031-gcpUpgrade linux-image-6.8.0-62-genericUpgrade linux-image-6.11.0-24-genericUpgrade linux-image-6.11.0-1014-oracle-64kUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-5.15.0-135-lowlatencyUpgrade linux-image-6.11.0-1013-gcp-64kUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-6.8.0-1030-azure-fdeUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-oem-24.04bUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-gkeop-6.8Upgrade linux-image-oem-20.04Upgrade linux-image-5.15.0-1080-aws-fipsUpgrade linux-image-6.8.0-1029-oemUpgrade linux-image-azure-cvmUpgrade linux-image-6.8.0-62-lowlatencyUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-oem-24.04Upgrade linux-image-fipsUpgrade linux-image-5.15.0-1081-gcpUpgrade linux-image-aws-lts-20.04Upgrade linux-image-gkeop-5.15Upgrade linux-image-oem-20.04cUpgrade linux-image-5.4.0-1147-azure-fipsUpgrade linux-image-6.8.0-1030-aws-64kUpgrade linux-image-5.15.0-135-generic-64kUpgrade linux-image-nvidiaUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-5.15.0-1074-nvidia-lowlatencyUpgrade linux-image-5.15.0-1021-nvidia-tegra-igx-rtUpgrade linux-image-6.8.0-1030-awsUpgrade linux-image-nvidia-6.8Upgrade linux-image-5.15.0-1033-nvidia-tegra-rtUpgrade linux-image-5.15.0-1073-intel-iot-realtimeUpgrade linux-image-nvidia-64kUpgrade linux-image-oem-22.04cUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-azure-nvidiaUpgrade linux-image-5.15.0-1075-intel-iotgUpgrade linux-image-5.15.0-1074-raspiUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-5.15.0-1077-gkeUpgrade linux-image-5.4.0-1147-azureUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-azureUpgrade linux-image-gkeopUpgrade linux-image-gcp-fipsUpgrade linux-image-generic-64k-6.8Upgrade linux-image-6.8.0-64-generic-64kUpgrade linux-image-5.15.0-1074-ibmUpgrade linux-image-generic-64kUpgrade linux-image-oem-20.04bUpgrade linux-image-azure-fdeUpgrade linux-image-oem-24.04aUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-5.4.0-1060-xilinx-zynqmpUpgrade linux-image-6.8.0-1013-gkeopUpgrade linux-image-5.15.0-1084-azureUpgrade linux-image-5.15.0-1033-nvidia-tegraUpgrade linux-image-virtual-6.8Upgrade linux-image-6.8.0-1029-nvidia-lowlatencyUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-5.4.0-211-lowlatencyUpgrade linux-image-azure-lts-22.04Upgrade linux-image-5.4.0-1145-gcp-fipsUpgrade linux-image-6.8.0-1027-ibmUpgrade linux-image-oem-osp1Upgrade linux-image-6.8.0-1027-oracle-64kUpgrade linux-image-oem-20.04d | Mar 28, 2025 | Feb 12, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Feb 12, 2025 |
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