In the Linux kernel, the following vulnerability has been resolved:
bpf: Use raw_spinlock_t in ringbuf
The function __bpf_ringbuf_reserve is invoked from a tracepoint, which disables preemption. Using spinlock_t in this context can lead to a "sleep in atomic" warning in the RT variant. This issue is illustrated in the example below:
BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 556208, name: test_progs preempt_count: 1, expected: 0 RCU nest depth: 1, expected: 1 INFO: lockdep is turned off. Preemption disabled at: [<ffffd33a5c88ea44>] migrate_enable+0xc0/0x39c CPU: 7 PID: 556208 Comm: test_progs Tainted: G Hardware name: Qualcomm SA8775P Ride (DT) Call trace: dump_backtrace+0xac/0x130 show_stack+0x1c/0x30 dump_stack_lvl+0xac/0xe8 dump_stack+0x18/0x30 __might_resched+0x3bc/0x4fc rt_spin_lock+0x8c/0x1a4 __bpf_ringbuf_reserve+0xc4/0x254 bpf_ringbuf_reserve_dynptr+0x5c/0xdc bpf_prog_ac3d15160d62622a_test_read_write+0x104/0x238 trace_call_bpf+0x238/0x774 perf_call_bpf_enter.isra.0+0x104/0x194 perf_syscall_enter+0x2f8/0x510 trace_sys_enter+0x39c/0x564 syscall_trace_enter+0x220/0x3c0 do_el0_svc+0x138/0x1dc el0_svc+0x54/0x130 el0t_64_sync_handler+0x134/0x150 el0t_64_sync+0x17c/0x180
Switch the spinlock to raw_spinlock_t to avoid this error.
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 kernel-debuginfo-common-aarch64Upgrade kernel-libbpf-staticUpgrade perfUpgrade kernelUpgrade kernel-toolsUpgrade kernel-tools-develUpgrade kernel-modules-extra-commonUpgrade kernel-develUpgrade kernel-livepatch-6.1.115-126.197Upgrade python3-perf-debuginfoUpgrade python3-perfUpgrade kernel-libbpf-develUpgrade bpftoolUpgrade bpftool-debuginfoUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-modules-extraUpgrade perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-libbpfUpgrade kernel-headers | Mar 27, 2025 | Nov 5, 2024 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Nov 11, 2024 | Nov 5, 2024 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernelUpgrade python3-perfUpgrade bpftool | Feb 11, 2025 | Nov 5, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernelUpgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade bpftoolUpgrade python3-perfUpgrade kernel-tools-libs | Feb 11, 2025 | Nov 5, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Nov 5, 2024 |
| Ubuntu | — | Upgrade linux-image-generic-lpaeUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-oem-22.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1024-oracleUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.8.0-1026-nvidia-64kUpgrade linux-image-6.11.0-1009-gcpUpgrade linux-image-6.8.0-58-lowlatency-64kUpgrade linux-image-6.8.0-1026-nvidia-lowlatency-64kUpgrade linux-image-gkeUpgrade linux-image-raspi-realtimeUpgrade linux-image-6.11.0-1005-realtimeUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.11.0-1010-lowlatency-64kUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-oem-24.04bUpgrade linux-image-gkeop-6.8Upgrade linux-image-6.8.0-1027-awsUpgrade linux-image-realtimeUpgrade linux-image-kvmUpgrade linux-image-oem-22.04bUpgrade linux-image-oracleUpgrade linux-image-6.11.0-1011-oracleUpgrade linux-image-6.8.0-1027-azureUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-oem-24.04Upgrade linux-image-gcpUpgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1024-oracle-64kUpgrade linux-image-virtualUpgrade linux-image-6.8.0-1028-gcpUpgrade linux-image-awsUpgrade linux-image-6.8.0-58-lowlatencyUpgrade linux-image-oem-24.04aUpgrade linux-image-oem-22.04cUpgrade linux-image-lowlatencyUpgrade linux-image-ibm-classicUpgrade linux-image-6.11.0-1010-lowlatencyUpgrade linux-image-6.8.0-1027-azure-fdeUpgrade linux-image-oracle-64kUpgrade linux-image-6.8.0-1026-oemUpgrade linux-image-azureUpgrade linux-image-6.11.0-1015-oemUpgrade linux-image-aws-lts-24.04Upgrade linux-image-6.11.0-18-generic-64kUpgrade linux-image-nvidiaUpgrade linux-image-generic-64kUpgrade linux-image-oem-22.04aUpgrade linux-image-ibmUpgrade linux-image-genericUpgrade linux-image-gkeopUpgrade linux-image-6.11.0-1009-azureUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.11.0-1009-azure-fdeUpgrade linux-image-azure-nvidiaUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-1024-ibmUpgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-6.8.0-1010-gkeopUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-oem-22.04dUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-6.8.0-1028-gcp-64kUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.11.0-1011-oracle-64kUpgrade linux-image-6.11.0-18-genericUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-azure-lts-24.04Upgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-6.8.0-1026-nvidiaUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.11.0-1009-awsUpgrade linux-image-nvidia-64kUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.8.0-1026-nvidia-lowlatencyUpgrade linux-image-azure-fdeUpgrade linux-image-6.8.0-58-genericUpgrade linux-image-6.8.0-58-generic-64kUpgrade linux-image-gcp-64kUpgrade linux-image-6.11.0-1008-raspiUpgrade linux-image-6.8.0-1023-gkeUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-6.8.1-1020-realtimeUpgrade linux-image-raspi | Feb 20, 2025 | Nov 5, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 9, 2025 | Nov 5, 2024 |
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