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In the Linux kernel, the following vulnerability has been resolved:
ACPICA: Fix error code path in acpi_ds_call_control_method()
A use-after-free in acpi_ps_parse_aml() after a failing invocaion of acpi_ds_call_control_method() is reported by KASAN [1] and code inspection reveals that next_walk_state pushed to the thread by acpi_ds_create_walk_state() is freed on errors, but it is not popped from the thread beforehand. Thus acpi_ds_get_current_walk_state() called by acpi_ps_parse_aml() subsequently returns it as the new walk state which is incorrect.
To address this, make acpi_ds_call_control_method() call acpi_ds_pop_walk_state() to pop next_walk_state from the thread before returning an error.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-headersUpgrade kernel-livepatch-5.10.165-143.735Upgrade kernel-livepatch-4.14.304-226.531Upgrade bpftoolUpgrade kernelUpgrade kernel-debuginfo-common-x86_64Upgrade bpftool-debuginfoUpgrade python-perf-debuginfoUpgrade python-perfUpgrade kernel-tools-debuginfoUpgrade kernel-develUpgrade perfUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-debuginfoUpgrade perf-debuginfoUpgrade kernel-livepatch-5.15.86-53.137Upgrade kernel-toolsUpgrade kernel-tools-devel | May 20, 2026 | May 20, 2026 |
| Debian | — | Upgrade linux | Sep 22, 2025 | Sep 22, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-tools-libsUpgrade kernel-toolsUpgrade bpftoolUpgrade kernelUpgrade python3-perfUpgrade kernel-abi-stablelists | Dec 12, 2025 | Dec 11, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Sep 18, 2025 |
| Ubuntu | — | Upgrade linux-hweUpgrade linux-awsUpgrade linux-aws-fipsUpgrade linux-riscv-5.15Upgrade linux-nvidia-tegra-5.15Upgrade linux-intel-iot-realtimeUpgrade linux-hwe-5.4Upgrade linux-raspi-5.4Upgrade linux-ibmUpgrade linux-oracleUpgrade linux-xilinx-zynqmpUpgrade linux-lowlatency-hwe-5.15Upgrade linux-fipsUpgrade linux-bluefieldUpgrade linux-gcpUpgrade linux-nvidiaUpgrade linux-intel-iotgUpgrade linux-gcp-4.15Upgrade linux-kvmUpgrade linux-gcp-5.15Upgrade linux-gcp-5.4Upgrade linux-gcp-fipsUpgrade linux-ibm-5.4Upgrade linux-intel-iotg-5.15Upgrade linux-iotUpgrade linux-raspiUpgrade linux-azure-5.4Upgrade linux-lowlatencyUpgrade linux-gkeUpgrade linux-oracle-5.4Upgrade linux-aws-5.15Upgrade linux-azure-4.15Upgrade linux-aws-hweUpgrade linuxUpgrade linux-oracle-5.15Upgrade linux-azure-5.15Upgrade linux-gkeopUpgrade linux-azure-fipsUpgrade linux-aws-5.4Upgrade linux-hwe-5.15Upgrade linux-azure-fdeUpgrade linux-realtimeUpgrade linux-azure | 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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