In the Linux kernel, the following vulnerability has been resolved:
io_uring: check if iowq is killed before queuing
task work can be executed after the task has gone through io_uring termination, whether it's the final task_work run or the fallback path. In this case, task work will find ->io_wq being already killed and null'ed, which is a problem if it then tries to forward the request to io_queue_iowq(). Make io_queue_iowq() fail requests in this case.
Note that it also checks PF_KTHREAD, because the user can first close a DEFER_TASKRUN ring and shortly after kill the task, in which case ->iowq check would race.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-debug-coreUpgrade kernel-64k-develUpgrade kernel-rt-64k-debug-develUpgrade kernel-rt-64kUpgrade kernel-64k-debug-develUpgrade kernel-64k-modulesUpgrade kernel-rt-debugUpgrade kernel-debug-modules-extraUpgrade kernel-cross-headersUpgrade kernel-rt-modules-coreUpgrade kernel-64k-debugUpgrade kernel-debug-modules-coreUpgrade kernel-64k-debug-modulesUpgrade kernel-abi-stablelistsUpgrade kernel-zfcpdumpUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-debug-uki-virtUpgrade kernel-rt-64k-debugUpgrade kernel-rt-modules-extraUpgrade kernel-rt-develUpgrade kernel-tools-libsUpgrade kernel-64k-debug-coreUpgrade kernel-debugUpgrade kernel-rt-64k-debug-modules-coreUpgrade kernel-debug-modulesUpgrade kernelUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-64kUpgrade kernel-modules-extraUpgrade kernel-coreUpgrade kernel-rt-64k-debug-modulesUpgrade kernel-rt-64k-debug-modules-extraUpgrade kernel-rt-debug-coreUpgrade kernel-64k-coreUpgrade kernel-zfcpdump-modulesUpgrade kernel-rt-debug-modulesUpgrade kernel-rt-64k-develUpgrade kernel-rt-64k-coreUpgrade kernel-rt-64k-modules-coreUpgrade kernel-64k-debug-devel-matchedUpgrade kernel-toolsUpgrade kernel-rt-coreUpgrade kernel-zfcpdump-develUpgrade kernel-rt-64k-modulesUpgrade kernel-devel-matchedUpgrade rvUpgrade python3-perfUpgrade kernel-64k-modules-coreUpgrade kernel-develUpgrade kernel-modulesUpgrade kernel-64k-devel-matchedUpgrade kernel-uki-virtUpgrade kernel-headersUpgrade kernel-64k-debug-modules-coreUpgrade kernel-rt-debug-modules-coreUpgrade kernel-rt-modulesUpgrade kernel-rt-debug-develUpgrade rtlaUpgrade kernel-64k-debug-modules-extraUpgrade kernel-rt-64k-debug-coreUpgrade kernel-modules-coreUpgrade kernel-rt-64k-modules-extraUpgrade kernel-debug-develUpgrade kernel-rtUpgrade kernel-64k-modules-extraUpgrade kernel-debug-devel-matchedUpgrade kernel-docUpgrade kernel-uki-virt-addonsUpgrade perfUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-zfcpdump-coreUpgrade libperfUpgrade kernel-tools-libs-develUpgrade kernel-rt-debug-modules-extra | Nov 20, 2025 | Nov 11, 2025 |
| Amazon_linux_2023 | — | Upgrade kernel-tools-develUpgrade perfUpgrade kernel-toolsUpgrade kernel-tools-debuginfoUpgrade bpftoolUpgrade python3-perfUpgrade kernel-debuginfo-common-aarch64Upgrade perf-debuginfoUpgrade python3-perf-debuginfoUpgrade kernel-develUpgrade kernel-modules-extraUpgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-libbpf-staticUpgrade kernel-headersUpgrade kernel-libbpfUpgrade kernel-livepatch-6.1.124-134.200Upgrade kernel-modules-extra-commonUpgrade kernel-libbpf-develUpgrade kernel-debuginfoUpgrade kernel | Mar 27, 2025 | Dec 29, 2024 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Jan 13, 2025 | Dec 29, 2024 |
| Huawei Euleros 2_0_sp11 | — | Upgrade bpftoolUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernelUpgrade python3-perfUpgrade kernel-abi-stablelists | Apr 11, 2025 | Dec 29, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernelUpgrade python3-perfUpgrade kernel-abi-stablelistsUpgrade bpftoolUpgrade kernel-toolsUpgrade kernel-tools-libs | Mar 19, 2025 | Dec 29, 2024 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernelUpgrade bpftoolUpgrade python3-perf | Apr 1, 2025 | Dec 29, 2024 |
| Oracle_linux | — | Upgrade kernel | Nov 28, 2025 | Dec 29, 2024 |
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernelNo solution exists | Jul 9, 2025 | Dec 29, 2024 |
| Rocky_linux | — | Upgrade kernel-zfcpdump-modules-coreUpgrade kernel-rt-debug-develUpgrade kernel-tools-libsUpgrade kernel-debug-modules-coreUpgrade kernel-rt-debuginfoUpgrade kernel-debug-debuginfoUpgrade kernel-modules-coreUpgrade kernel-devel-matchedUpgrade kernel-rt-debug-coreUpgrade kernel-tools-libs-develUpgrade kernel-zfcpdump-modulesUpgrade rvUpgrade kernelUpgrade kernel-rt-debug-debuginfoUpgrade libperfUpgrade kernel-debuginfo-common-s390xUpgrade kernel-rt-modulesUpgrade kernel-toolsUpgrade kernel-debug-modules-extraUpgrade kernel-zfcpdump-develUpgrade kernel-uki-virt-addonsUpgrade kernel-zfcpdumpUpgrade kernel-debug-modulesUpgrade kernel-debuginfo-common-x86_64Upgrade python3-perfUpgrade kernel-rt-develUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-uki-virtUpgrade kernel-debug-develUpgrade kernel-rt-debug-modules-coreUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-develUpgrade perfUpgrade rtlaUpgrade kernel-rt-debug-modulesUpgrade kernel-tools-debuginfoUpgrade kernel-rt-debug-modules-extraUpgrade kernel-coreUpgrade kernel-rt-coreUpgrade kernel-modulesUpgrade kernel-debuginfoUpgrade kernel-debug-uki-virtUpgrade kernel-debugUpgrade perf-debuginfoUpgrade python3-perf-debuginfoUpgrade kernel-modules-extraUpgrade kernel-debug-coreUpgrade kernel-rt-debugUpgrade kernel-zfcpdump-debuginfo | Feb 5, 2026 | Nov 21, 2025 |
| Ubuntu | — | Upgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-nvidiaUpgrade linux-image-6.11.0-1007-realtimeUpgrade linux-image-6.11.0-1011-awsUpgrade linux-image-gkeUpgrade linux-image-6.8.0-1026-oracle-64kUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1028-nvidia-lowlatency-64kUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.11.0-1010-raspiUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-realtimeUpgrade linux-image-6.11.0-1017-oemUpgrade linux-image-6.11.0-21-genericUpgrade linux-image-lowlatencyUpgrade linux-image-6.8.0-1026-ibmUpgrade linux-image-gcp-64kUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-6.11.0-1011-lowlatencyUpgrade linux-image-6.8.0-1028-oemUpgrade linux-image-6.11.0-1011-gcp-64kUpgrade linux-image-gkeopUpgrade linux-image-oracleUpgrade linux-image-6.11.0-1011-gcpUpgrade linux-image-oem-22.04dUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.8.0-60-lowlatency-64kUpgrade linux-image-azure-fdeUpgrade linux-image-6.8.0-1026-oracleUpgrade linux-image-generic-lpaeUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-6.8.0-1025-gkeUpgrade linux-image-6.11.0-1012-azure-fdeUpgrade linux-image-6.8.0-1030-gcp-64kUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.8.0-1029-azure-fdeUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-6.8.0-60-generic-64kUpgrade linux-image-6.8.0-1028-nvidiaUpgrade linux-image-oem-24.04bUpgrade linux-image-genericUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-azureUpgrade linux-image-oem-22.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-raspiUpgrade linux-image-nvidia-6.8Upgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-6.11.0-1011-lowlatency-64kUpgrade linux-image-gcpUpgrade linux-image-6.8.1-1022-realtimeUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-generic-64kUpgrade linux-image-6.11.0-1012-azureUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-nvidia-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-6.11.0-1013-oracle-64kUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-1012-gkeopUpgrade linux-image-oem-22.04aUpgrade linux-image-6.11.0-1013-oracleUpgrade linux-image-6.8.0-1028-nvidia-64kUpgrade linux-image-6.11.0-21-generic-64kUpgrade linux-image-6.8.0-1028-nvidia-lowlatencyUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-azure-nvidiaUpgrade linux-image-6.8.0-1029-awsUpgrade linux-image-6.8.0-1016-azure-nvidiaUpgrade linux-image-aws-lts-24.04Upgrade linux-image-6.8.0-1030-gcpUpgrade linux-image-oem-22.04bUpgrade linux-image-oem-24.04aUpgrade linux-image-virtualUpgrade linux-image-gkeop-6.8Upgrade linux-image-awsUpgrade linux-image-6.8.0-60-lowlatencyUpgrade linux-image-ibmUpgrade linux-image-oem-24.04Upgrade linux-image-oem-22.04cUpgrade linux-image-ibm-classicUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-oracle-64kUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-6.8.0-60-genericUpgrade linux-image-azure-lts-24.04Upgrade linux-image-6.8.0-1029-azureUpgrade linux-image-kvm | Mar 28, 2025 | Dec 29, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Dec 29, 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