In the Linux kernel, the following vulnerability has been resolved:
io_uring: check if we need to reschedule during overflow flush
In terms of normal application usage, this list will always be empty. And if an application does overflow a bit, it'll have a few entries. However, nothing obviously prevents syzbot from running a test case that generates a ton of overflow entries, and then flushing them can take quite a while.
Check for needing to reschedule while flushing, and drop our locks and do so if necessary. There's no state to maintain here as overflows always prune from head-of-list, hence it's fine to drop and reacquire the locks at the end of the loop.
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 perfUpgrade kernel-64k-debug-modules-coreUpgrade kernel-rt-64k-debug-coreUpgrade kernel-zfcpdump-coreUpgrade kernel-headersUpgrade kernel-develUpgrade kernel-rt-64k-debug-modules-extraUpgrade kernel-64k-devel-matchedUpgrade kernel-tools-libs-develUpgrade kernel-64k-debug-modules-extraUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-rt-64kUpgrade kernelUpgrade kernel-rt-modules-extraUpgrade kernel-cross-headersUpgrade kernel-64k-modules-extraUpgrade python3-perfUpgrade kernel-devel-matchedUpgrade kernel-rt-64k-debug-develUpgrade kernel-rt-64k-modulesUpgrade kernel-64k-debug-coreUpgrade kernel-modules-coreUpgrade kernel-debug-devel-matchedUpgrade kernel-rt-coreUpgrade libperfUpgrade kernel-rt-64k-modules-extraUpgrade kernel-64k-debug-develUpgrade kernel-rt-debug-modules-coreUpgrade kernel-rt-64k-develUpgrade kernel-abi-stablelistsUpgrade kernel-rt-64k-debugUpgrade kernel-rt-64k-debug-modules-coreUpgrade kernel-uki-virtUpgrade kernel-64k-coreUpgrade kernel-rt-modules-coreUpgrade kernel-rt-debug-develUpgrade kernel-zfcpdump-develUpgrade kernel-rt-develUpgrade kernel-zfcpdump-modulesUpgrade kernel-64k-debug-modulesUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-rt-debug-modulesUpgrade kernel-rt-debug-modules-extraUpgrade kernel-debug-modulesUpgrade kernel-64k-debugUpgrade kernel-debug-uki-virtUpgrade kernel-rt-64k-debug-modulesUpgrade kernel-64kUpgrade kernel-modulesUpgrade kernel-debug-develUpgrade kernel-zfcpdump-devel-matchedUpgrade rtlaUpgrade kernel-uki-virt-addonsUpgrade kernel-modules-extraUpgrade kernel-debugUpgrade kernel-64k-debug-devel-matchedUpgrade kernel-rt-debug-coreUpgrade rvUpgrade kernel-rtUpgrade kernel-coreUpgrade kernel-64k-modulesUpgrade kernel-toolsUpgrade kernel-rt-64k-modules-coreUpgrade kernel-debug-modules-extraUpgrade kernel-debug-modules-coreUpgrade kernel-64k-modules-coreUpgrade kernel-rt-modulesUpgrade kernel-zfcpdumpUpgrade kernel-rt-64k-coreUpgrade kernel-tools-libsUpgrade kernel-debug-coreUpgrade kernel-64k-develUpgrade kernel-rt-debugUpgrade kernel-doc | Nov 20, 2025 | Nov 11, 2025 |
| Amazon_linux_2023 | — | Upgrade kernel-tools-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade perfUpgrade perf-debuginfoUpgrade kernel-tools-develUpgrade kernel-toolsUpgrade kernel-modules-extraUpgrade python3-perfUpgrade kernel-livepatch-6.1.115-126.197Upgrade kernel-libbpfUpgrade kernel-develUpgrade kernelUpgrade kernel-modules-extra-commonUpgrade bpftoolUpgrade kernel-libbpf-develUpgrade kernel-headersUpgrade kernel-debuginfo-common-x86_64Upgrade python3-perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-libbpf-staticUpgrade kernel-debuginfo | Mar 27, 2025 | Oct 21, 2024 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Nov 11, 2024 | Oct 21, 2024 |
| Huawei Euleros 2_0_sp11 | — | Upgrade python3-perfUpgrade bpftoolUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade kernel | Feb 11, 2025 | Oct 21, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernelUpgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade bpftoolUpgrade python3-perfUpgrade kernel-tools-libs | Feb 11, 2025 | Oct 21, 2024 |
| Oracle_linux | — | Upgrade kernel | Nov 28, 2025 | Oct 21, 2024 |
| Redhat_linux | — | No solution existsUpgrade kernel-rtUpgrade kernel | Jul 9, 2025 | Oct 21, 2024 |
| Rocky_linux | — | Upgrade kernel-rt-debug-develUpgrade perf-debuginfoUpgrade kernel-rt-develUpgrade kernel-rt-modules-extraUpgrade kernel-tools-debuginfoUpgrade perfUpgrade kernel-modulesUpgrade kernel-debug-develUpgrade kernel-debug-coreUpgrade kernel-develUpgrade kernel-debug-uki-virtUpgrade kernel-zfcpdump-modules-extraUpgrade rtlaUpgrade kernel-rt-debugUpgrade kernel-zfcpdump-debuginfoUpgrade kernel-debuginfoUpgrade kernel-zfcpdump-develUpgrade kernel-coreUpgrade python3-perfUpgrade python3-perf-debuginfoUpgrade kernel-rt-debug-modulesUpgrade kernel-modules-extraUpgrade kernel-tools-libsUpgrade kernel-modules-coreUpgrade kernelUpgrade kernel-debugUpgrade kernel-rt-coreUpgrade kernel-rt-debug-debuginfoUpgrade kernel-debuginfo-common-s390xUpgrade kernel-tools-libs-develUpgrade kernel-toolsUpgrade kernel-zfcpdump-coreUpgrade kernel-uki-virt-addonsUpgrade kernel-zfcpdump-modulesUpgrade kernel-rt-debug-modules-coreUpgrade kernel-rt-debug-coreUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-rt-debuginfoUpgrade kernel-rt-debug-modules-extraUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debug-modules-extraUpgrade rvUpgrade libperf-debuginfoUpgrade kernel-rtUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-debug-modulesUpgrade kernel-debug-devel-matchedUpgrade kernel-debug-modules-coreUpgrade libperfUpgrade kernel-zfcpdumpUpgrade kernel-devel-matchedUpgrade kernel-uki-virtUpgrade kernel-rt-modules-coreUpgrade kernel-rt-modulesUpgrade kernel-debug-debuginfo | Feb 5, 2026 | Nov 21, 2025 |
| Ubuntu | — | Upgrade linux-image-6.8.0-1024-nvidia-64kUpgrade linux-image-6.8.0-57-generic-64kUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-6.8.0-1024-oemUpgrade linux-image-6.8.0-1024-nvidia-lowlatency-64kUpgrade linux-image-genericUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-ibm-classicUpgrade linux-image-6.8.0-56-genericUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-6.8.0-1024-nvidia-lowlatencyUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-6.8.0-1024-nvidiaUpgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-5.15.0-1104-oracleUpgrade linux-image-azure-lts-22.04Upgrade linux-image-lowlatencyUpgrade linux-image-5.15.0-1100-kvmUpgrade linux-image-5.15.0-178-lowlatencyUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-oem-22.04cUpgrade linux-image-6.11.0-1011-oracle-64kUpgrade linux-image-gcpUpgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-realtime-hwe-24.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-ibmUpgrade linux-image-lowlatency-64kUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-virtualUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-kvm-5.15Upgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-6.8.0-1021-gkeUpgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-6.11.0-1009-gcpUpgrade linux-image-nvidiaUpgrade linux-image-raspi-realtimeUpgrade linux-image-6.8.0-1022-oracleUpgrade linux-image-oem-22.04Upgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-6.11.0-1011-oracleUpgrade linux-image-azure-fipsUpgrade linux-image-6.8.0-1025-azure-fdeUpgrade linux-image-6.11.0-1009-azureUpgrade linux-image-6.11.0-18-generic-64kUpgrade linux-image-intel-iotg-5.15Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-5.15.0-179-generic-lpaeUpgrade linux-image-fips-5.15Upgrade linux-image-nvidia-tegraUpgrade linux-image-oem-20.04dUpgrade linux-image-azure-fdeUpgrade linux-image-6.11.0-1005-realtimeUpgrade linux-image-oem-24.04bUpgrade linux-image-azure-nvidiaUpgrade linux-image-fipsUpgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-generic-64kUpgrade linux-image-6.8.0-1026-gcpUpgrade linux-image-5.15.0-1049-nvidia-tegra-igxUpgrade linux-image-aws-lts-22.04Upgrade linux-image-gcp-fipsUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-6.8.0-1022-oracle-64kUpgrade linux-image-6.8.0-1026-gcp-64kUpgrade linux-image-5.15.0-1108-gcpUpgrade linux-image-5.15.0-1108-gcp-fipsUpgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-oem-22.04aUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-gke-5.15Upgrade linux-image-raspi-nolpaeUpgrade linux-image-5.15.0-1049-nvidia-tegra-igx-rtUpgrade linux-image-oem-20.04bUpgrade linux-image-oem-22.04bUpgrade linux-image-5.15.0-1102-raspiUpgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-1027-awsUpgrade linux-image-6.8.1-1018-realtimeUpgrade linux-image-5.15.0-1108-aws-64kUpgrade linux-image-gkeopUpgrade linux-image-generic-5.15Upgrade linux-image-5.15.0-1091-gkeopUpgrade linux-image-intelUpgrade linux-image-aws-64k-5.15Upgrade linux-image-gkeop-6.8Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-6.11.0-1009-azure-fdeUpgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-5.15.0-1114-azureUpgrade linux-image-intel-iotgUpgrade linux-image-azure-lts-24.04Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-6.11.0-1010-lowlatency-64kUpgrade linux-image-oem-20.04Upgrade linux-image-gkeUpgrade linux-image-oem-20.04cUpgrade linux-image-5.15.0-1114-azure-fipsUpgrade linux-image-oracle-64kUpgrade linux-image-6.11.0-18-genericUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-5.15.0-1105-oracleUpgrade linux-image-6.8.0-1025-awsUpgrade linux-image-azureUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-oracleUpgrade linux-image-virtual-5.15Upgrade linux-image-kvmUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-gcp-fips-5.15Upgrade linux-image-gcp-64kUpgrade linux-image-6.8.0-1022-ibmUpgrade linux-image-5.15.0-1103-nvidiaUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-oem-24.04Upgrade linux-image-lowlatency-5.15Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-6.8.0-57-genericUpgrade linux-image-5.15.0-1103-intel-iotgUpgrade linux-image-5.15.0-1104-gkeUpgrade linux-image-6.11.0-1009-awsUpgrade linux-image-6.8.0-56-generic-64kUpgrade linux-image-ibm-5.15Upgrade linux-image-realtime-5.15Upgrade linux-image-nvidia-5.15Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-6.8.0-56-lowlatencyUpgrade linux-image-5.15.0-1107-realtimeUpgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-5.15.0-1099-intel-iot-realtimeUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-raspi-5.15Upgrade linux-image-nvidia-64kUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-raspiUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-gcp-5.15Upgrade linux-image-6.11.0-1015-oemUpgrade linux-image-6.11.0-1008-raspiUpgrade linux-image-5.15.0-1102-ibmUpgrade linux-image-5.15.0-179-genericUpgrade linux-image-5.15.0-1108-aws-fipsUpgrade linux-image-5.15.0-1060-nvidia-tegra-rtUpgrade linux-image-6.8.0-1008-gkeopUpgrade linux-image-6.11.0-1010-lowlatencyUpgrade linux-image-aws-5.15Upgrade linux-image-5.15.0-1108-awsUpgrade linux-image-5.15.0-1103-nvidia-lowlatencyUpgrade linux-image-generic-lpae-5.15Upgrade linux-image-azure-fips-5.15Upgrade linux-image-6.8.0-1025-azureUpgrade linux-image-gkeop-5.15Upgrade linux-image-oem-24.04aUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-awsUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-azure-cvmUpgrade linux-image-5.15.0-179-fipsUpgrade linux-image-6.8.0-56-lowlatency-64kUpgrade linux-image-aws-lts-24.04Upgrade linux-image-5.15.0-178-lowlatency-64kUpgrade linux-image-nvidia-6.8Upgrade linux-image-realtimeUpgrade linux-image-azure-5.15Upgrade linux-image-oem-22.04dUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-aws-fips-5.15Upgrade linux-image-5.15.0-179-generic-64kUpgrade linux-image-generic-64k-5.15Upgrade linux-image-oracle-5.15Upgrade linux-image-5.15.0-1074-xilinx-zynqmpUpgrade linux-image-5.15.0-1060-nvidia-tegraUpgrade linux-image-aws-fips | Feb 20, 2025 | Oct 21, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Oct 21, 2024 |
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