In the Linux kernel, the following vulnerability has been resolved:
mm/swapfile: add cond_resched() in get_swap_pages()
The softlockup still occurs in get_swap_pages() under memory pressure. 64 CPU cores, 64GB memory, and 28 zram devices, the disksize of each zram device is 50MB with same priority as si. Use the stress-ng tool to increase memory pressure, causing the system to oom frequently.
The plist_for_each_entry_safe() loops in get_swap_pages() could reach tens of thousands of times to find available space (extreme case: cond_resched() is not called in scan_swap_map_slots()). Let's add cond_resched() into get_swap_pages() when failed to find available space to avoid softlockup.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-develUpgrade perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade kernel-livepatch-5.15.93-55.139Upgrade perfUpgrade kernel-livepatch-4.14.309-231.529Upgrade kernel-develUpgrade bpftoolUpgrade kernel-headersUpgrade python-perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade bpftool-debuginfoUpgrade kernel-livepatch-5.10.173-154.642Upgrade python-perfUpgrade kernelUpgrade kernel-tools | May 21, 2025 | Mar 27, 2025 |
| Amazon_linux_2023 | — | Upgrade kernel-libbpfUpgrade bpftool-debuginfoUpgrade kernel-livepatch-6.1.12-17.42Upgrade kernel-tools-develUpgrade perf-debuginfoUpgrade kernel-debuginfoUpgrade perfUpgrade kernel-tools-debuginfoUpgrade kernel-headersUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-libbpf-staticUpgrade bpftoolUpgrade kernel-debuginfo-common-x86_64Upgrade python3-perfUpgrade kernel-develUpgrade kernelUpgrade python3-perf-debuginfoUpgrade kernel-libbpf-develUpgrade kernel-tools | Jun 11, 2025 | Mar 27, 2025 |
| Debian | — | Upgrade linux | Mar 31, 2025 | Mar 27, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade bpftoolUpgrade python3-perfUpgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade kernelUpgrade kernel-tools | Jul 1, 2025 | Mar 27, 2025 |
| Redhat_linux | — | Upgrade kernel-rtNo solution existsUpgrade kernel | Jul 9, 2025 | Mar 27, 2025 |
| Ubuntu | — | Upgrade linux-oracle-5.15Upgrade linux-ibm-5.4Upgrade linux-azure-fde-5.15Upgrade linux-fipsUpgrade linux-oracleUpgrade linux-hwe-5.4Upgrade linuxUpgrade linux-gcp-fipsUpgrade linux-azure-fipsUpgrade linux-intel-iot-realtimeUpgrade linux-gkeopUpgrade linux-nvidiaUpgrade linux-gkeUpgrade linux-lowlatencyUpgrade linux-kvmUpgrade linux-azure-5.4Upgrade linux-aws-fipsUpgrade linux-gcp-4.15Upgrade linux-ibmUpgrade linux-aws-hweUpgrade linux-azure-5.15Upgrade linux-xilinx-zynqmpUpgrade linux-gcp-5.4Upgrade linux-hweUpgrade linux-realtimeUpgrade linux-lowlatency-hwe-5.15Upgrade linux-nvidia-tegra-5.15Upgrade linux-bluefieldUpgrade linux-azure-fdeUpgrade linux-gcpUpgrade linux-aws-5.4Upgrade linux-gcp-5.15Upgrade linux-azureUpgrade linux-hwe-5.15Upgrade linux-oracle-5.4Upgrade linux-raspiUpgrade linux-riscv-5.15Upgrade linux-intel-iotg-5.15Upgrade linux-azure-4.15Upgrade linux-raspi-5.4Upgrade linux-intel-iotgUpgrade linux-awsUpgrade linux-iotUpgrade linux-aws-5.15 | Apr 1, 2025 | Mar 27, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Mar 27, 2025 |
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