In the Linux kernel, the following vulnerability has been resolved:
fs/proc: do_task_stat: use sig->stats_lock to gather the threads/children stats
lock_task_sighand() can trigger a hard lockup. If NR_CPUS threads call do_task_stat() at the same time and the process has NR_THREADS, it will spin with irqs disabled O(NR_CPUS * NR_THREADS) time.
Change do_task_stat() to use sig->stats_lock to gather the statistics outside of ->siglock protected section, in the likely case this code will run lockless.
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 |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernelUpgrade kernel-rt-debug-modulesUpgrade kernel-cross-headersUpgrade kernel-rt-coreUpgrade kernel-debugUpgrade kernel-zfcpdumpUpgrade kernel-debug-modulesUpgrade kernel-modules-extraUpgrade kernel-headersUpgrade kernel-zfcpdump-develUpgrade kernel-modulesUpgrade kernel-abi-stablelistsUpgrade kernel-debug-develUpgrade kernel-debug-coreUpgrade kernel-coreUpgrade kernel-zfcpdump-modules-extraUpgrade python3-perfUpgrade kernel-rt-debug-modules-extraUpgrade kernel-rt-debug-kvmUpgrade kernel-rt-debug-develUpgrade kernel-zfcpdump-modulesUpgrade kernel-rt-kvmUpgrade kernel-docUpgrade kernel-develUpgrade kernel-rt-debugUpgrade kernel-toolsUpgrade kernel-rtUpgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-rt-develUpgrade kernel-rt-modulesUpgrade perfUpgrade kernel-debug-modules-extraUpgrade kernel-tools-libs-develUpgrade kernel-rt-modules-extraUpgrade kernel-zfcpdump-coreUpgrade kernel-rt-debug-core | Aug 12, 2024 | Apr 3, 2024 |
| Amazon Linux Ami 2 | — | Upgrade kernel-livepatch-5.10.237-230.949Upgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-develUpgrade perfUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-toolsUpgrade bpftoolUpgrade kernel-tools-develUpgrade python-perfUpgrade perf-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-headersUpgrade kernel-livepatch-5.15.184-125.190Upgrade kernel | May 30, 2025 | Apr 3, 2024 |
| Amazon_linux_2023 | — | Upgrade kernelUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-modules-extra-commonUpgrade bpftoolUpgrade kernel-libbpf-develUpgrade kernel-libbpf-staticUpgrade kernel-tools-develUpgrade python3-perfUpgrade python3-perf-debuginfoUpgrade kernel-debuginfoUpgrade kernel-toolsUpgrade kernel-develUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-headersUpgrade perf-debuginfoUpgrade kernel-modules-extraUpgrade kernel-tools-debuginfoUpgrade perfUpgrade kernel-livepatch-6.1.82-99.168Upgrade bpftool-debuginfoUpgrade kernel-libbpf | Feb 17, 2025 | Apr 3, 2024 |
| Debian | — | Upgrade linux | Jul 30, 2024 | Apr 3, 2024 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernelUpgrade python3-perf | Jul 16, 2024 | Apr 3, 2024 |
| Huawei Euleros 2_0_sp11 | — | Upgrade python3-perfUpgrade bpftoolUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade kernel | Jun 26, 2024 | Apr 3, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade kernelUpgrade kernel-tools-libsUpgrade bpftoolUpgrade python3-perf | Oct 8, 2024 | Apr 3, 2024 |
| Huawei Euleros 2_0_sp8 | — | Upgrade kernel-headersUpgrade python3-perfUpgrade kernelUpgrade bpftoolUpgrade kernel-develUpgrade python-perfUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade perf | Jul 23, 2024 | Apr 3, 2024 |
| Huawei Euleros 2_0_sp9 | — | Upgrade python3-perfUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernel | Jul 17, 2024 | Apr 3, 2024 |
| Oracle_linux | — | Upgrade kernel-uekUpgrade kernel | Aug 16, 2024 | Apr 3, 2024 |
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernelNo solution exists | Aug 12, 2024 | Apr 3, 2024 |
| Rocky_linux | — | Upgrade kernel-cross-headersUpgrade kernel-rt-modules-extraUpgrade kernel-tools-libs-develUpgrade kernel-rtUpgrade kernel-rt-modulesUpgrade kernel-toolsUpgrade kernel-debug-modules-extraUpgrade kernel-rt-debuginfoUpgrade perf-debuginfoUpgrade kernelUpgrade kernel-debuginfo-common-x86_64Upgrade bpftool-debuginfoUpgrade kernel-debuginfoUpgrade kernel-rt-coreUpgrade kernel-rt-debug-develUpgrade kernel-rt-debug-kvmUpgrade kernel-modulesUpgrade kernel-debug-coreUpgrade kernel-rt-debug-debuginfoUpgrade kernel-rt-debug-coreUpgrade bpftoolUpgrade kernel-rt-debug-modules-extraUpgrade kernel-coreUpgrade kernel-headersUpgrade kernel-develUpgrade kernel-debug-debuginfoUpgrade kernel-debug-modulesUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-rt-debugUpgrade kernel-modules-extraUpgrade python3-perfUpgrade perfUpgrade kernel-tools-debuginfoUpgrade kernel-rt-debug-modulesUpgrade kernel-rt-develUpgrade python3-perf-debuginfoUpgrade kernel-debug-develUpgrade kernel-rt-kvmUpgrade kernel-tools-libsUpgrade kernel-debug | Aug 22, 2024 | Apr 3, 2024 |
| Ubuntu | — | Upgrade linux-image-5.15.0-144-fipsUpgrade linux-image-5.15.0-1052-xilinx-zynqmpUpgrade linux-image-intel-iotg-5.15Upgrade linux-image-aws-64k-5.15Upgrade linux-image-oem-20.04bUpgrade linux-image-5.15.0-1082-nvidiaUpgrade linux-image-5.15.0-1041-nvidia-tegraUpgrade linux-image-5.15.0-1094-azure-fipsUpgrade linux-image-virtualUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-azure-lts-22.04Upgrade linux-image-5.15.0-1088-awsUpgrade linux-image-nvidia-tegraUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-5.15.0-1081-intel-iot-realtimeUpgrade linux-image-gcpUpgrade linux-image-intelUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-5.15.0-144-generic-lpaeUpgrade linux-image-gke-5.15Upgrade linux-image-ibmUpgrade linux-image-aws-lts-22.04Upgrade linux-image-5.15.0-144-lowlatency-64kUpgrade linux-image-5.15.0-1088-aws-64kUpgrade linux-image-lowlatencyUpgrade linux-image-5.15.0-144-genericUpgrade linux-image-genericUpgrade linux-image-azure-fipsUpgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-5.15.0-1094-azureUpgrade linux-image-5.15.0-1080-ibmUpgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-5.15.0-144-lowlatencyUpgrade linux-image-5.15.0-1083-intel-iotgUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-raspi-nolpaeUpgrade linux-image-fipsUpgrade linux-image-nvidiaUpgrade linux-image-oracleUpgrade linux-image-generic-lpaeUpgrade linux-image-5.15.0-1041-nvidia-tegra-rtUpgrade linux-image-oem-20.04dUpgrade linux-image-gkeopUpgrade linux-image-lowlatency-64kUpgrade linux-image-5.15.0-1085-gkeUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-fips-5.15Upgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-kvm-5.15Upgrade linux-image-generic-64kUpgrade linux-image-generic-5.15Upgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-gcp-fips-5.15Upgrade linux-image-5.15.0-1082-nvidia-lowlatencyUpgrade linux-image-realtimeUpgrade linux-image-kvmUpgrade linux-image-5.15.0-1088-aws-fipsUpgrade linux-image-realtime-5.15Upgrade linux-image-5.15.0-1085-oracleUpgrade linux-image-azureUpgrade linux-image-azure-cvmUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-intel-iotgUpgrade linux-image-lowlatency-5.15Upgrade linux-image-aws-fipsUpgrade linux-image-oem-20.04Upgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-raspi-5.15Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-5.15.0-1070-gkeopUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-nvidia-5.15Upgrade linux-image-oracle-5.15Upgrade linux-image-azure-fips-5.15Upgrade linux-image-5.15.0-1084-kvmUpgrade linux-image-generic-lpae-5.15Upgrade linux-image-5.15.0-1083-raspiUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-raspiUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-virtual-5.15Upgrade linux-image-awsUpgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-gkeUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-5.15.0-1087-gcp-fipsUpgrade linux-image-gcp-fipsUpgrade linux-image-aws-fips-5.15Upgrade linux-image-5.15.0-144-generic-64kUpgrade linux-image-5.15.0-1030-nvidia-tegra-igx-rtUpgrade linux-image-gkeop-5.15Upgrade linux-image-generic-64k-5.15Upgrade linux-image-5.15.0-1087-gcpUpgrade linux-image-oem-20.04cUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-gcp-5.15Upgrade linux-image-aws-5.15Upgrade linux-image-azure-5.15Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-ibm-5.15Upgrade linux-image-5.15.0-1030-nvidia-tegra-igxUpgrade linux-image-5.15.0-1088-realtime | Feb 11, 2025 | Apr 3, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 2, 2025 | Apr 3, 2024 |
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