In the Linux kernel, the following vulnerability has been resolved:
bpf: Send signals asynchronously if !preemptible
BPF programs can execute in all kinds of contexts and when a program running in a non-preemptible context uses the bpf_send_signal() kfunc, it will cause issues because this kfunc can sleep. Change `irqs_disabled()` to `!preemptible()`.
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 kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade kernel-modules-coreUpgrade kernel-debug-modulesUpgrade kernel-debug-develUpgrade kernel-rt-64k-develUpgrade kernel-rt-64k-debug-develUpgrade kernel-debug-uki-virtUpgrade kernelUpgrade kernel-rt-64k-debug-modulesUpgrade kernel-debug-modules-coreUpgrade kernel-rt-64k-modules-coreUpgrade kernel-64kUpgrade python3-perfUpgrade rtlaUpgrade kernel-rt-64k-debug-modules-coreUpgrade kernel-rt-64kUpgrade kernel-zfcpdump-develUpgrade kernel-rt-debug-coreUpgrade kernel-64k-debug-coreUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-cross-headersUpgrade kernel-rt-coreUpgrade kernel-rt-64k-debug-modules-extraUpgrade kernel-64k-modules-coreUpgrade kernel-debug-modules-extraUpgrade kernel-64k-modulesUpgrade kernel-rt-develUpgrade kernel-headersUpgrade kernel-64k-coreUpgrade kernel-debug-devel-matchedUpgrade kernel-rt-64k-debugUpgrade kernel-rt-64k-coreUpgrade kernel-tools-libs-develUpgrade kernel-rt-modules-extraUpgrade kernel-rt-64k-debug-coreUpgrade kernel-toolsUpgrade kernel-modulesUpgrade kernel-rt-debugUpgrade kernel-rt-debug-develUpgrade kernel-zfcpdump-coreUpgrade kernel-64k-debug-modules-coreUpgrade kernel-64k-debug-devel-matchedUpgrade kernel-modules-extraUpgrade kernel-debug-coreUpgrade kernel-rt-debug-modules-coreUpgrade kernel-debugUpgrade kernel-rt-modules-coreUpgrade kernel-64k-develUpgrade kernel-64k-debug-modulesUpgrade kernel-uki-virt-addonsUpgrade kernel-rtUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-rt-64k-modulesUpgrade kernel-64k-debugUpgrade kernel-uki-virtUpgrade kernel-64k-debug-modules-extraUpgrade kernel-rt-debug-modulesUpgrade kernel-64k-modules-extraUpgrade kernel-rt-debug-modules-extraUpgrade kernel-rt-64k-modules-extraUpgrade kernel-coreUpgrade kernel-64k-devel-matchedUpgrade perfUpgrade kernel-zfcpdump-modulesUpgrade libperfUpgrade kernel-devel-matchedUpgrade rvUpgrade kernel-64k-debug-develUpgrade kernel-zfcpdumpUpgrade kernel-rt-modulesUpgrade kernel-docUpgrade kernel-develUpgrade kernel-zfcpdump-modules-extra | Nov 20, 2025 | Nov 11, 2025 |
| Amazon Linux Ami 2 | — | Upgrade bpftoolUpgrade kernel-tools-debuginfoUpgrade kernel-develUpgrade perf-debuginfoUpgrade kernel-tools-develUpgrade perfUpgrade kernel-toolsUpgrade kernel-livepatch-5.15.179-121.185Upgrade kernel-debuginfo-common-aarch64Upgrade python-perfUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-livepatch-5.10.235-227.919Upgrade python-perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernelUpgrade kernel-debuginfoUpgrade kernel-headers | Apr 17, 2025 | Feb 27, 2025 |
| Amazon_linux_2023 | — | Upgrade bpftoolUpgrade kernel-modules-extra-commonUpgrade kernel-libbpf-develUpgrade kernelUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-libbpf-staticUpgrade python3-perf-debuginfoUpgrade python3-perfUpgrade kernel-tools-develUpgrade kernel-toolsUpgrade kernel-debuginfo-common-aarch64Upgrade perf-debuginfoUpgrade kernel-libbpfUpgrade kernel-livepatch-6.1.129-138.220Upgrade bpftool-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade perfUpgrade kernel-develUpgrade kernel-modules-extraUpgrade kernel-headers | Jun 11, 2025 | Feb 27, 2025 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Mar 17, 2025 | Feb 27, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-tools-libsUpgrade python3-perfUpgrade bpftoolUpgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade kernel | Jun 13, 2025 | Feb 27, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade kernelUpgrade python3-perfUpgrade bpftoolUpgrade kernel-tools | Jun 11, 2025 | Feb 27, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-tools-libsUpgrade python3-perfUpgrade bpftoolUpgrade kernelUpgrade kernel-abi-stablelistsUpgrade kernel-tools | Jun 11, 2025 | Feb 27, 2025 |
| Oracle_linux | — | Upgrade kernel | Nov 28, 2025 | Feb 27, 2025 |
| Redhat_linux | — | No solution existsUpgrade kernelUpgrade kernel-rt | Jul 9, 2025 | Feb 27, 2025 |
| Rocky_linux | — | Upgrade kernel-rtUpgrade kernel-uki-virt-addonsUpgrade kernel-modulesUpgrade kernel-devel-matchedUpgrade kernel-rt-debug-develUpgrade kernel-rt-debug-modulesUpgrade kernel-toolsUpgrade kernel-rt-debuginfoUpgrade kernel-rt-debug-modules-extraUpgrade kernel-zfcpdump-coreUpgrade kernel-rt-modules-coreUpgrade kernel-debuginfo-common-s390xUpgrade kernel-zfcpdumpUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-rt-debug-modules-coreUpgrade kernel-debug-coreUpgrade kernel-rt-debugUpgrade perf-debuginfoUpgrade kernel-modules-extraUpgrade kernel-coreUpgrade libperfUpgrade rvUpgrade perfUpgrade kernel-debug-debuginfoUpgrade kernel-develUpgrade kernel-rt-modulesUpgrade kernel-uki-virtUpgrade python3-perfUpgrade kernel-rt-develUpgrade libperf-debuginfoUpgrade kernel-tools-libs-develUpgrade kernel-zfcpdump-debuginfoUpgrade kernel-zfcpdump-develUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debugUpgrade kernel-debug-devel-matchedUpgrade kernel-zfcpdump-modules-extraUpgrade rtlaUpgrade kernel-zfcpdump-modulesUpgrade kernel-rt-coreUpgrade kernel-debug-uki-virtUpgrade kernelUpgrade kernel-debug-modulesUpgrade kernel-tools-debuginfoUpgrade kernel-rt-debug-coreUpgrade kernel-rt-debug-debuginfoUpgrade kernel-debug-modules-coreUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-debuginfoUpgrade kernel-debug-modules-extraUpgrade kernel-debug-develUpgrade kernel-rt-modules-extraUpgrade python3-perf-debuginfoUpgrade kernel-tools-libsUpgrade kernel-modules-core | Feb 5, 2026 | Nov 21, 2025 |
| Suse | — | Upgrade kernel-obs-buildUpgrade kernel-rt-optionalUpgrade kernel-source-vanillaUpgrade ocfs2-kmp-azureUpgrade kernel-rt_debugUpgrade kernel-source-rtUpgrade reiserfs-kmp-azureUpgrade dtb-renesasUpgrade kernel-default-livepatch-develUpgrade gfs2-kmp-azureUpgrade dtb-armUpgrade dtb-hisiliconUpgrade kernel-debugUpgrade kernel-defaultUpgrade reiserfs-kmp-rtUpgrade dlm-kmp-defaultUpgrade kernel-64kb-extraUpgrade cluster-md-kmp-64kbUpgrade kernel-default-optionalUpgrade kernel-docsUpgrade dtb-nvidiaUpgrade kernel-docs-htmlUpgrade kernel-develUpgrade dlm-kmp-rtUpgrade cluster-md-kmp-rtUpgrade dtb-appleUpgrade dtb-allwinnerUpgrade gfs2-kmp-defaultUpgrade kernel-rt-develUpgrade kernel-rt-extraUpgrade dtb-marvellUpgrade kernel-debug-vdsoUpgrade dtb-amdUpgrade dtb-xilinxUpgrade reiserfs-kmp-64kbUpgrade kernel-rt-vdsoUpgrade dtb-caviumUpgrade kernel-64kb-develUpgrade reiserfs-kmp-defaultUpgrade kernel-debug-develUpgrade kernel-default-baseUpgrade kernel-azure-extraUpgrade dlm-kmp-azureUpgrade kselftests-kmp-azureUpgrade dtb-sprdUpgrade dtb-rockchipUpgrade kernel-rt_debug-develUpgrade dtb-socionextUpgrade kernel-azureUpgrade kernel-devel-rtUpgrade kselftests-kmp-defaultUpgrade kselftests-kmp-rtUpgrade ocfs2-kmp-defaultUpgrade dtb-broadcomUpgrade dtb-exynosUpgrade kernel-rtUpgrade kernel-azure-develUpgrade dlm-kmp-64kbUpgrade kernel-default-livepatchUpgrade kernel-default-extraUpgrade kernel-kvmsmall-vdsoUpgrade kernel-kvmsmallUpgrade kernel-default-develUpgrade ocfs2-kmp-rtUpgrade kernel-default-vdsoUpgrade kernel-devel-azureUpgrade gfs2-kmp-rtUpgrade cluster-md-kmp-defaultUpgrade cluster-md-kmp-azureUpgrade kernel-rt-livepatch-develUpgrade kernel-sourceUpgrade kernel-rt_debug-vdsoUpgrade kselftests-kmp-64kbUpgrade kernel-macrosUpgrade kernel-64kb-optionalUpgrade dtb-lgUpgrade dtb-freescaleUpgrade dtb-amlogicUpgrade dtb-apmUpgrade gfs2-kmp-64kbUpgrade dtb-mediatekUpgrade kernel-zfcpdumpUpgrade ocfs2-kmp-64kbUpgrade kernel-kvmsmall-develUpgrade kernel-obs-qaUpgrade kernel-azure-vdsoUpgrade dtb-amazonUpgrade kernel-symsUpgrade dtb-alteraUpgrade kernel-syms-azureUpgrade kernel-64kbUpgrade dtb-qcomUpgrade kernel-syms-rtUpgrade kernel-source-azureUpgrade kernel-default-base-rebuildUpgrade kernel-azure-optional | Mar 13, 2025 | Feb 27, 2025 |
| Ubuntu | — | Upgrade linux-image-5.15.0-142-generic-64kUpgrade linux-image-5.4.0-1149-gcp-fipsUpgrade linux-image-azure-cvmUpgrade linux-image-5.4.0-1151-azure-fipsUpgrade linux-image-6.8.0-1031-nvidia-64kUpgrade linux-image-ibm-6.8Upgrade linux-image-5.15.0-140-generic-lpaeUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-generic-64k-6.8Upgrade linux-image-nvidia-64kUpgrade linux-image-oracle-6.8Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.11.0-1016-oracleUpgrade linux-image-oem-22.04bUpgrade linux-image-raspi2Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-generic-6.8Upgrade linux-image-oracle-64kUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.11.0-1022-oemUpgrade linux-image-ibm-classicUpgrade linux-image-5.4.0-1051-iotUpgrade linux-image-oem-22.04cUpgrade linux-image-realtime-6.8.1Upgrade linux-image-6.11.0-1014-awsUpgrade linux-image-5.15.0-1083-gcp-fipsUpgrade linux-image-5.4.0-1105-bluefieldUpgrade linux-image-6.8.0-64-lowlatency-64kUpgrade linux-image-oem-24.04aUpgrade linux-image-gkeop-5.15Upgrade linux-image-6.8.0-1032-awsUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-6.11.0-1010-realtimeUpgrade linux-image-aws-lts-24.04Upgrade linux-image-6.11.0-1016-oracle-64kUpgrade linux-image-5.4.0-1151-azureUpgrade linux-image-5.4.0-1120-fipsUpgrade linux-image-6.8.0-1031-nvidiaUpgrade linux-image-5.15.0-140-lowlatencyUpgrade linux-image-aws-64kUpgrade linux-image-6.11.0-1014-lowlatencyUpgrade linux-image-5.4.0-1064-xilinx-zynqmpUpgrade linux-image-5.15.0-1084-aws-fipsUpgrade linux-image-gcpUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-gcp-lts-20.04Upgrade linux-image-5.15.0-1078-nvidia-lowlatencyUpgrade linux-image-raspiUpgrade linux-image-gke-6.8Upgrade linux-image-oem-20.04cUpgrade linux-image-azureUpgrade linux-image-intelUpgrade linux-image-5.15.0-1078-nvidiaUpgrade linux-image-oem-22.04dUpgrade linux-image-raspi-6.8Upgrade linux-image-5.15.0-140-genericUpgrade linux-image-raspi-realtimeUpgrade linux-image-6.11.0-1013-raspiUpgrade linux-image-oem-osp1Upgrade linux-image-azure-nvidia-lts-24.04Upgrade linux-image-oem-20.04dUpgrade linux-image-azure-lts-24.04Upgrade linux-image-nvidia-tegra-igxUpgrade linux-image-azure-nvidiaUpgrade linux-image-6.8.0-1029-ibmUpgrade linux-image-azure-6.8Upgrade linux-image-6.8.0-64-generic-64kUpgrade linux-image-5.15.0-140-generic-64kUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-5.15.0-1081-gkeUpgrade linux-image-gcp-64kUpgrade linux-image-kvmUpgrade linux-image-virtualUpgrade linux-image-aws-lts-22.04Upgrade linux-image-azure-fipsUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-generic-64kUpgrade linux-image-5.15.0-1080-kvmUpgrade linux-image-6.8.0-1033-gcpUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.8.0-1028-gkeUpgrade linux-image-5.15.0-1076-ibmUpgrade linux-image-6.8.0-64-lowlatencyUpgrade linux-image-6.11.0-1015-gcpUpgrade linux-image-5.15.0-140-fipsUpgrade linux-image-5.15.0-142-genericUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-5.15.0-1077-intel-iot-realtimeUpgrade linux-image-5.15.0-1081-oracleUpgrade linux-image-5.15.0-1026-nvidia-tegra-igx-rtUpgrade linux-image-6.11.0-1014-lowlatency-64kUpgrade linux-image-6.8.0-1034-azureUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-oem-24.04Upgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-aws-6.8Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-aws-64k-6.8Upgrade linux-image-awsUpgrade linux-image-aws-lts-20.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-realtimeUpgrade linux-image-6.11.0-1015-gcp-64kUpgrade linux-image-intel-iotgUpgrade linux-image-5.15.0-1050-xilinx-zynqmpUpgrade linux-image-6.8.0-2026-raspi-realtimeUpgrade linux-image-6.8.0-1034-azure-fdeUpgrade linux-image-raspi-hwe-18.04Upgrade linux-image-5.15.0-1037-nvidia-tegraUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-5.15.0-1078-raspiUpgrade linux-image-nvidia-tegraUpgrade linux-image-oem-24.04bUpgrade linux-image-5.4.0-216-generic-lpaeUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-6.8.0-1015-gkeopUpgrade linux-image-gcp-6.8Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-6.8.0-1031-raspiUpgrade linux-image-6.11.0-1015-azure-fdeUpgrade linux-image-5.4.0-1149-gcpUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-6.8.0-64-genericUpgrade linux-image-generic-lpaeUpgrade linux-image-nvidia-6.8Upgrade linux-image-5.15.0-1066-gkeopUpgrade linux-image-gke-5.15Upgrade linux-image-azure-fdeUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-6.8.1-1025-realtimeUpgrade linux-image-6.8.0-1029-oracleUpgrade linux-image-aws-fipsUpgrade linux-image-5.15.0-1089-azureUpgrade linux-image-lowlatency-6.8Upgrade linux-image-oracleUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-6.8.0-1031-nvidia-lowlatency-64kUpgrade linux-image-oem-20.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-nvidiaUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-6.8.0-1033-gcp-64kUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-5.15.0-1037-nvidia-tegra-rtUpgrade linux-image-6.11.0-26-genericUpgrade linux-image-5.4.0-1144-oracleUpgrade linux-image-5.15.0-1084-realtimeUpgrade linux-image-azure-lts-22.04Upgrade linux-image-oem-20.04bUpgrade linux-image-gkeopUpgrade linux-image-5.4.0-1133-kvmUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-azure-fde-6.8Upgrade linux-image-5.4.0-1146-aws-fipsUpgrade linux-image-raspi-nolpaeUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-virtual-6.8Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-5.4.0-1092-ibmUpgrade linux-image-6.8.0-1031-nvidia-lowlatencyUpgrade linux-image-6.8.0-1029-oracle-64kUpgrade linux-image-5.15.0-1079-intel-iotgUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-fipsUpgrade linux-image-6.11.0-1015-azureUpgrade linux-image-5.4.0-216-genericUpgrade linux-image-5.15.0-1084-awsUpgrade linux-image-5.15.0-1089-azure-fipsUpgrade linux-image-ibmUpgrade linux-image-azure-lts-20.04Upgrade linux-image-oem-22.04Upgrade linux-image-6.8.0-1022-azure-nvidiaUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-5.15.0-142-generic-lpaeUpgrade linux-image-5.4.0-1129-raspiUpgrade linux-image-lowlatencyUpgrade linux-image-gkeop-6.8Upgrade linux-image-ibm-lts-20.04Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-gkeUpgrade linux-image-azure-nvidia-6.8Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-5.15.0-1083-gcpUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-5.4.0-1146-awsUpgrade linux-image-6.8.0-1032-aws-64kUpgrade linux-image-lowlatency-64kUpgrade linux-image-gcp-fipsUpgrade linux-image-5.15.0-1026-nvidia-tegra-igxUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-genericUpgrade linux-image-bluefieldUpgrade linux-image-5.15.0-140-lowlatency-64kUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-oem-6.8Upgrade linux-image-oemUpgrade linux-image-5.4.0-216-lowlatencyUpgrade linux-image-oem-22.04aUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1031-oemUpgrade linux-image-6.11.0-26-generic-64k | May 20, 2025 | Feb 27, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 2, 2025 | Feb 27, 2025 |
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