In the Linux kernel, the following vulnerability has been resolved:
bpf: Fix UAF via mismatching bpf_prog/attachment RCU flavors
Uprobes always use bpf_prog_run_array_uprobe() under tasks-trace-RCU protection. But it is possible to attach a non-sleepable BPF program to a uprobe, and non-sleepable BPF programs are freed via normal RCU (see __bpf_prog_put_noref()). This leads to UAF of the bpf_prog because a normal RCU grace period does not imply a tasks-trace-RCU grace period.
Fix it by explicitly waiting for a tasks-trace-RCU grace period after removing the attachment of a bpf_prog to a perf_event.
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-abi-stablelistsUpgrade kernel-uki-virt-addonsUpgrade kernel-rt-64kUpgrade kernel-debug-modules-coreUpgrade kernel-rt-debug-develUpgrade kernel-rt-debug-modules-coreUpgrade kernel-debug-modules-extraUpgrade kernel-coreUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-modules-extraUpgrade kernel-devel-matchedUpgrade kernel-64k-modules-extraUpgrade kernel-debug-coreUpgrade kernel-modulesUpgrade kernel-64k-debug-modules-extraUpgrade kernel-rt-modulesUpgrade kernel-zfcpdumpUpgrade kernel-rt-debug-modules-extraUpgrade kernel-zfcpdump-coreUpgrade rvUpgrade kernel-rt-debug-modulesUpgrade libperfUpgrade kernel-docUpgrade kernel-rt-64k-coreUpgrade kernel-zfcpdump-modules-extraUpgrade perfUpgrade kernel-debug-devel-matchedUpgrade kernel-64k-debugUpgrade kernel-64k-debug-modules-coreUpgrade kernel-64k-debug-modulesUpgrade kernel-rt-modules-coreUpgrade kernel-toolsUpgrade kernel-zfcpdump-modulesUpgrade kernel-64k-develUpgrade kernel-rt-64k-modules-coreUpgrade kernel-64k-debug-devel-matchedUpgrade kernel-rtUpgrade kernel-uki-virtUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-64k-modulesUpgrade kernel-rt-64k-modules-extraUpgrade kernel-64kUpgrade kernel-debug-develUpgrade kernel-rt-64k-debug-modules-extraUpgrade kernel-tools-libsUpgrade kernel-64k-modules-coreUpgrade kernel-rt-debug-coreUpgrade kernel-debug-modulesUpgrade kernel-rt-64k-debugUpgrade kernel-64k-devel-matchedUpgrade rtlaUpgrade kernel-rt-64k-debug-coreUpgrade kernel-64k-coreUpgrade kernel-cross-headersUpgrade kernel-rt-64k-debug-modules-coreUpgrade kernel-tools-libs-develUpgrade kernel-rt-coreUpgrade python3-perfUpgrade kernel-64k-debug-coreUpgrade kernel-64k-debug-develUpgrade kernel-headersUpgrade kernel-rt-64k-modulesUpgrade kernel-rt-debugUpgrade kernel-zfcpdump-develUpgrade kernel-develUpgrade kernel-modules-coreUpgrade kernelUpgrade kernel-rt-64k-debug-modulesUpgrade kernel-debug-uki-virtUpgrade kernel-rt-develUpgrade kernel-rt-modules-extraUpgrade kernel-rt-64k-debug-develUpgrade kernel-rt-64k-develUpgrade kernel-debug | Nov 20, 2025 | Nov 11, 2025 |
| Amazon_linux_2023 | — | Upgrade kernel-debuginfo-common-x86_64Upgrade kernel-modules-extra-commonUpgrade kernel-livepatch-6.1.124-134.200Upgrade kernel-toolsUpgrade bpftool-debuginfoUpgrade python3-perfUpgrade kernel-libbpf-develUpgrade kernel-headersUpgrade kernel-modules-extraUpgrade bpftoolUpgrade kernel-debuginfo-common-aarch64Upgrade python3-perf-debuginfoUpgrade kernel-debuginfoUpgrade kernelUpgrade kernel-libbpfUpgrade kernel-tools-develUpgrade kernel-tools-debuginfoUpgrade perfUpgrade kernel-libbpf-staticUpgrade kernel-develUpgrade perf-debuginfo | Mar 27, 2025 | Dec 27, 2024 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Jan 13, 2025 | Dec 27, 2024 |
| Oracle_linux | — | Upgrade kernel | Nov 28, 2025 | Dec 27, 2024 |
| Redhat_linux | — | No solution existsUpgrade kernel-rtUpgrade kernel | Jul 9, 2025 | Dec 27, 2024 |
| Rocky_linux | — | Upgrade kernel-tools-libs-develUpgrade kernel-devel-matchedUpgrade rtlaUpgrade kernel-zfcpdump-debuginfoUpgrade kernelUpgrade kernel-develUpgrade kernel-rt-debug-coreUpgrade kernel-debuginfoUpgrade perfUpgrade kernel-zfcpdump-develUpgrade libperfUpgrade kernel-rt-debugUpgrade kernel-rt-modules-extraUpgrade kernel-rt-coreUpgrade kernel-debug-develUpgrade python3-perfUpgrade kernel-debug-uki-virtUpgrade kernel-modules-coreUpgrade libperf-debuginfoUpgrade kernel-zfcpdump-modules-extraUpgrade rvUpgrade kernel-debug-devel-matchedUpgrade python3-perf-debuginfoUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-modulesUpgrade kernel-debug-modules-extraUpgrade kernel-rt-debug-modulesUpgrade kernel-coreUpgrade kernel-debug-modules-coreUpgrade kernel-uki-virt-addonsUpgrade kernel-modules-extraUpgrade kernel-zfcpdump-coreUpgrade kernel-debug-debuginfoUpgrade kernel-rt-debug-debuginfoUpgrade kernel-rt-modules-coreUpgrade kernel-debugUpgrade kernel-rt-develUpgrade kernel-rtUpgrade kernel-debuginfo-common-s390xUpgrade kernel-tools-debuginfoUpgrade kernel-rt-debug-modules-coreUpgrade kernel-debug-coreUpgrade kernel-rt-modulesUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-debug-modulesUpgrade kernel-uki-virtUpgrade kernel-rt-debuginfoUpgrade kernel-rt-debug-modules-extraUpgrade kernel-tools-libsUpgrade perf-debuginfoUpgrade kernel-zfcpdump-modulesUpgrade kernel-modules-extra-matchedUpgrade kernel-toolsUpgrade kernel-rt-debug-develUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-zfcpdump | Feb 5, 2026 | Nov 21, 2025 |
| Ubuntu | — | Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-6.11.0-1017-oemUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-6.11.0-1012-azure-fdeUpgrade linux-image-ibm-classicUpgrade linux-image-azure-lts-24.04Upgrade linux-image-realtimeUpgrade linux-image-6.8.0-1028-nvidia-lowlatencyUpgrade linux-image-oracleUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.11.0-1011-lowlatencyUpgrade linux-image-6.11.0-1011-lowlatency-64kUpgrade linux-image-6.11.0-1011-awsUpgrade linux-image-6.8.0-1028-oemUpgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1026-ibmUpgrade linux-image-6.11.0-1011-gcp-64kUpgrade linux-image-6.11.0-1012-azureUpgrade linux-image-6.8.0-1029-azure-fdeUpgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-1025-gkeUpgrade linux-image-6.8.0-60-generic-64kUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-virtualUpgrade linux-image-6.8.0-60-genericUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-generic-lpaeUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-awsUpgrade linux-image-6.8.0-1026-oracle-64kUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-oem-24.04bUpgrade linux-image-6.11.0-21-genericUpgrade linux-image-6.8.0-60-lowlatency-64kUpgrade linux-image-kvmUpgrade linux-image-gkeop-6.8Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-6.11.0-1010-raspiUpgrade linux-image-azure-fdeUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-oem-22.04Upgrade linux-image-nvidiaUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.8.0-1026-oracleUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.11.0-21-generic-64kUpgrade linux-image-oracle-64kUpgrade linux-image-genericUpgrade linux-image-oem-22.04bUpgrade linux-image-oem-22.04dUpgrade linux-image-6.8.0-1028-nvidia-64kUpgrade linux-image-nvidia-64kUpgrade linux-image-lowlatencyUpgrade linux-image-oem-24.04Upgrade linux-image-6.8.0-1030-gcp-64kUpgrade linux-image-6.11.0-1011-gcpUpgrade linux-image-6.11.0-1007-realtimeUpgrade linux-image-azureUpgrade linux-image-gkeUpgrade linux-image-aws-lts-24.04Upgrade linux-image-oem-22.04aUpgrade linux-image-ibmUpgrade linux-image-6.8.0-60-lowlatencyUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.8.0-1029-azureUpgrade linux-image-gkeopUpgrade linux-image-6.8.0-1028-nvidia-lowlatency-64kUpgrade linux-image-gcp-64kUpgrade linux-image-6.8.0-1028-nvidiaUpgrade linux-image-6.11.0-1013-oracleUpgrade linux-image-oem-24.04aUpgrade linux-image-raspi-realtimeUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-6.8.0-1016-azure-nvidiaUpgrade linux-image-azure-nvidiaUpgrade linux-image-raspiUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-6.8.0-1012-gkeopUpgrade linux-image-6.8.1-1022-realtimeUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-gcpUpgrade linux-image-6.8.0-1030-gcpUpgrade linux-image-6.8.0-1029-awsUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.11.0-1013-oracle-64kUpgrade linux-image-oem-22.04cUpgrade linux-image-generic-64kUpgrade linux-image-realtime-hwe-24.04 | Mar 28, 2025 | Dec 27, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 29, 2025 | Dec 27, 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