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In the Linux kernel, the following vulnerability has been resolved:
ACPICA: Add AML_NO_OPERAND_RESOLVE flag to Timer
ACPICA commit 90310989a0790032f5a0140741ff09b545af4bc5
According to the ACPI specification 19.6.134, no argument is required to be passed for ASL Timer instruction. For taking care of no argument, AML_NO_OPERAND_RESOLVE flag is added to ASL Timer instruction opcode.
When ASL timer instruction interpreted by ACPI interpreter, getting error. After adding AML_NO_OPERAND_RESOLVE flag to ASL Timer instruction opcode, issue is not observed.
============================================================= UBSAN: array-index-out-of-bounds in acpica/dswexec.c:401:12 index -1 is out of range for type 'union acpi_operand_object *[9]' CPU: 37 PID: 1678 Comm: cat Not tainted 6.0.0-dev-th500-6.0.y-1+bcf8c46459e407-generic-64k HW name: NVIDIA BIOS v1.1.1-d7acbfc-dirty 12/19/2022 Call trace: dump_backtrace+0xe0/0x130 show_stack+0x20/0x60 dump_stack_lvl+0x68/0x84 dump_stack+0x18/0x34 ubsan_epilogue+0x10/0x50 __ubsan_handle_out_of_bounds+0x80/0x90 acpi_ds_exec_end_op+0x1bc/0x6d8 acpi_ps_parse_loop+0x57c/0x618 acpi_ps_parse_aml+0x1e0/0x4b4 acpi_ps_execute_method+0x24c/0x2b8 acpi_ns_evaluate+0x3a8/0x4bc acpi_evaluate_object+0x15c/0x37c acpi_evaluate_integer+0x54/0x15c show_power+0x8c/0x12c [acpi_power_meter]
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade python-perf-debuginfoUpgrade kernel-headersUpgrade kernel-livepatch-5.15.133-86.144Upgrade kernel-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-debuginfoUpgrade kernelUpgrade bpftoolUpgrade kernel-toolsUpgrade kernel-livepatch-5.10.197-186.748Upgrade kernel-tools-develUpgrade perf-debuginfoUpgrade perfUpgrade python-perfUpgrade kernel-livepatch-4.14.326-245.539Upgrade kernel-develUpgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-aarch64 | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade bpftool-debuginfoUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade perfUpgrade kernel-tools-debuginfoUpgrade kernel-livepatch-6.1.55-75.123Upgrade python3-perf-debuginfoUpgrade python3-perfUpgrade kernel-develUpgrade bpftoolUpgrade kernel-libbpf-staticUpgrade kernel-libbpfUpgrade kernel-tools-develUpgrade perf-debuginfoUpgrade kernel-headersUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade kernel-libbpf-develUpgrade kernel-tools | Oct 16, 2025 | Sep 18, 2025 |
| Debian | — | Upgrade linux | Sep 22, 2025 | Sep 22, 2025 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernel-toolsUpgrade kernelUpgrade python3-perfUpgrade kernel-tools-libsUpgrade kernel-abi-stablelists | Jan 15, 2026 | Jan 13, 2026 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade kernelUpgrade kernel-toolsUpgrade bpftool | Dec 12, 2025 | Dec 11, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade bpftoolUpgrade kernelUpgrade kernel-tools-libs | Dec 12, 2025 | Dec 11, 2025 |
| Redhat_linux | — | No solution existsUpgrade kernel-rtUpgrade kernel | Nov 14, 2025 | Sep 18, 2025 |
| Ubuntu | — | Upgrade linux-gkeUpgrade linux-kvmUpgrade linux-realtimeUpgrade linux-aws-5.15Upgrade linux-bluefieldUpgrade linux-nvidiaUpgrade linux-azure-5.4Upgrade linux-oracle-5.4Upgrade linux-raspi-5.4Upgrade linux-xilinx-zynqmpUpgrade linux-hwe-5.15Upgrade linux-fipsUpgrade linux-gcp-5.15Upgrade linux-azure-fdeUpgrade linux-lowlatencyUpgrade linux-lowlatency-hwe-5.15Upgrade linux-iotUpgrade linux-aws-5.4Upgrade linux-raspiUpgrade linux-azureUpgrade linux-intel-iotgUpgrade linux-awsUpgrade linux-intel-iotg-5.15Upgrade linux-oracleUpgrade linux-gcp-fipsUpgrade linux-ibmUpgrade linux-nvidia-tegra-igxUpgrade linux-aws-fipsUpgrade linux-ibm-5.4Upgrade linux-hwe-5.4Upgrade linux-gcpUpgrade linux-intel-iot-realtimeUpgrade linux-azure-5.15Upgrade linux-nvidia-tegraUpgrade linux-ibm-5.15Upgrade linux-azure-fipsUpgrade linuxUpgrade linux-riscv-5.15Upgrade linux-nvidia-tegra-5.15Upgrade linux-gcp-5.4Upgrade linux-gkeopUpgrade linux-oracle-5.15 | Sep 26, 2025 | Sep 18, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 15, 2025 | Sep 18, 2025 |
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