In the Linux kernel, the following vulnerability has been resolved:
bpf: Fix deadlock between rcu_tasks_trace and event_mutex.
Fix the following deadlock: CPU A _free_event() perf_kprobe_destroy() mutex_lock(&event_mutex) perf_trace_event_unreg() synchronize_rcu_tasks_trace()
There are several paths where _free_event() grabs event_mutex and calls sync_rcu_tasks_trace. Above is one such case.
CPU B bpf_prog_test_run_syscall() rcu_read_lock_trace() bpf_prog_run_pin_on_cpu() bpf_prog_load() bpf_tracing_func_proto() trace_set_clr_event() mutex_lock(&event_mutex)
Delegate trace_set_clr_event() to workqueue to avoid such lock dependency.
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 |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel-libbpfUpgrade bpftoolUpgrade kernel-debuginfo-common-x86_64Upgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel-headersUpgrade kernel6.12Upgrade kernel6.12-modules-extraUpgrade perf6.12Upgrade kernel-livepatch-6.1.140-154.222Upgrade python3-perf6.12Upgrade kernel-debuginfo-common-aarch64Upgrade kernel-livepatch-6.12.29-33.102Upgrade kernel-develUpgrade kernel-tools-debuginfoUpgrade python3-perf-debuginfoUpgrade kernel-modules-extraUpgrade kernel-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-libbpf-debuginfoUpgrade kernel6.12-debuginfoUpgrade perf6.12-debuginfoUpgrade python3-perfUpgrade kernel-libbpf-staticUpgrade perfUpgrade kernel-modules-extra-commonUpgrade kernel-libbpf-develUpgrade kernel-tools-develUpgrade kernelUpgrade perf-debuginfoUpgrade kernel-toolsUpgrade python3-perf6.12-debuginfo | Aug 5, 2025 | May 9, 2025 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | May 15, 2025 | May 9, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 9, 2025 |
| Suse | — | Upgrade kernel-64kb-extraUpgrade kernel-64kbUpgrade reiserfs-kmp-rtUpgrade kernel-defaultUpgrade dtb-appleUpgrade dtb-hisiliconUpgrade ocfs2-kmp-64kbUpgrade dtb-sprdUpgrade kernel-debug-vdsoUpgrade gfs2-kmp-defaultUpgrade kernel-default-baseUpgrade dtb-marvellUpgrade dtb-socionextUpgrade kernel-source-vanillaUpgrade kernel-rt_debug-vdsoUpgrade dtb-nvidiaUpgrade kernel-rt_debugUpgrade kernel-rt-optionalUpgrade dlm-kmp-defaultUpgrade kernel-default-livepatchUpgrade kernel-symsUpgrade cluster-md-kmp-defaultUpgrade kselftests-kmp-azureUpgrade kernel-64kb-develUpgrade dlm-kmp-rtUpgrade gfs2-kmp-64kbUpgrade kselftests-kmp-defaultUpgrade reiserfs-kmp-defaultUpgrade kernel-source-rtUpgrade kernel-rt-livepatch-develUpgrade kernel-azure-extraUpgrade dtb-freescaleUpgrade kernel-azure-vdsoUpgrade kernel-docs-htmlUpgrade ocfs2-kmp-azureUpgrade kernel-default-livepatch-develUpgrade kernel-debugUpgrade kernel-azureUpgrade kernel-syms-rtUpgrade kernel-docsUpgrade dtb-renesasUpgrade cluster-md-kmp-64kbUpgrade kernel-debug-develUpgrade kernel-kvmsmall-vdsoUpgrade dtb-broadcomUpgrade kselftests-kmp-rtUpgrade dtb-amazonUpgrade dtb-amdUpgrade dlm-kmp-azureUpgrade kernel-64kb-optionalUpgrade kernel-default-develUpgrade reiserfs-kmp-64kbUpgrade ocfs2-kmp-rtUpgrade kernel-rtUpgrade kernel-devel-rtUpgrade kernel-obs-buildUpgrade kernel-source-azureUpgrade kernel-default-optionalUpgrade cluster-md-kmp-rtUpgrade kernel-zfcpdumpUpgrade kernel-rt_debug-develUpgrade kernel-rt-vdsoUpgrade dtb-exynosUpgrade reiserfs-kmp-azureUpgrade gfs2-kmp-azureUpgrade kernel-rt-develUpgrade dtb-xilinxUpgrade dtb-rockchipUpgrade dtb-qcomUpgrade kernel-develUpgrade gfs2-kmp-rtUpgrade dtb-lgUpgrade ocfs2-kmp-defaultUpgrade kernel-macrosUpgrade kernel-obs-qaUpgrade dtb-alteraUpgrade kernel-rt-extraUpgrade kernel-default-extraUpgrade dtb-mediatekUpgrade kernel-default-base-rebuildUpgrade cluster-md-kmp-azureUpgrade kselftests-kmp-64kbUpgrade kernel-syms-azureUpgrade kernel-sourceUpgrade kernel-kvmsmall-develUpgrade kernel-devel-azureUpgrade kernel-default-vdsoUpgrade dtb-amlogicUpgrade kernel-azure-optionalUpgrade kernel-azure-develUpgrade dtb-caviumUpgrade dtb-allwinnerUpgrade dtb-armUpgrade dtb-apmUpgrade kernel-kvmsmallUpgrade dlm-kmp-64kb | Dec 5, 2025 | Jul 8, 2025 |
| Ubuntu | — | Upgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-virtualUpgrade linux-image-ibm-6.8Upgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-gcp-6.8Upgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-gkeUpgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-realtimeUpgrade linux-image-gkeopUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-nvidia-64kUpgrade linux-image-6.14.0-22-genericUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-gkeop-6.8Upgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-6.14.0-1007-oracleUpgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-aws-64k-6.8Upgrade linux-image-fips-6.8Upgrade linux-image-azure-fips-6.8Upgrade linux-image-gcp-64k-6.8Upgrade linux-image-aws-64kUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-intel-iotgUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-aws-fips-6.8Upgrade linux-image-raspi-realtimeUpgrade linux-image-6.8.0-100-fipsUpgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-oracle-64kUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-oracleUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-gcpUpgrade linux-image-azure-6.8Upgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-genericUpgrade linux-image-oem-22.04bUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-xilinxUpgrade linux-image-6.14.0-1004-realtimeUpgrade linux-image-generic-lpaeUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-generic-6.8Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.14.0-1007-azure-fdeUpgrade linux-image-oem-22.04aUpgrade linux-image-6.14.0-1007-aws-64kUpgrade linux-image-aws-fipsUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-oracle-6.8Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-raspi-6.8Upgrade linux-image-virtual-6.8Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-lowlatencyUpgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-oem-22.04Upgrade linux-image-6.14.0-1007-awsUpgrade linux-image-fipsUpgrade linux-image-azure-fdeUpgrade linux-image-gke-64k-6.8Upgrade linux-image-gke-6.8Upgrade linux-image-6.14.0-22-generic-64kUpgrade linux-image-nvidiaUpgrade linux-image-6.8.0-1046-awsUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-6.8.0-100-genericUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.8.0-1051-azureUpgrade linux-image-aws-lts-24.04Upgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-6.8.0-1046-azureUpgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-xilinx-6.8Upgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-6.14.0-1007-oracle-64kUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-gcp-64kUpgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-gke-64kUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.14.0-1008-gcpUpgrade linux-image-oem-22.04cUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-azure-fipsUpgrade linux-image-aws-6.8Upgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-ibm-classicUpgrade linux-image-oem-22.04dUpgrade linux-image-raspiUpgrade linux-image-kvmUpgrade linux-image-realtime-6.8.1Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-lowlatency-6.8Upgrade linux-image-azureUpgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-6.14.0-1007-raspiUpgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-6.14.0-1008-gcp-64kUpgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-generic-64kUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-awsUpgrade linux-image-ibmUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-generic-64k-6.8Upgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-6.14.0-1007-azureUpgrade linux-image-gcp-fipsUpgrade linux-image-azure-lts-24.04 | Jun 26, 2025 | May 9, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 2, 2025 | May 9, 2025 |
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