In the Linux kernel, the following vulnerability has been resolved:
ACPI: driver: Check ACPI_COMPANION() against NULL during probe
Since every platform driver can be forced to match a device that doesn't match its list of device IDs because of device_match_driver_override(), platform drivers that rely on the existence of a device's ACPI companion object should verify its presence.
Accordingly, add requisite ACPI_COMPANION() or ACPI_HANDLE() checks against NULL to 13 platform drivers handling core ACPI devices.
Also change the value returned by the ACPI thermal zone driver when the device's ACPI companion is not present to -ENODEV for consistency with the other drivers.
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 python3-perf6.12Upgrade kernel6.12-tools-develUpgrade python3-perf6.12-debuginfoUpgrade kernel6.12-headersUpgrade perf6.12Upgrade kernel6.12-modules-extra-commonUpgrade kernel6.12-tools-debuginfoUpgrade kernel6.12-debuginfoUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel6.12-toolsUpgrade kernel-livepatch-6.12.100-125.179Upgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel6.12-develUpgrade perf6.12-debuginfoUpgrade kernel6.12-modules-extraUpgrade bpftool6.12Upgrade kernel6.12Upgrade bpftool6.12-debuginfo | Aug 18, 2026 | Jul 24, 2026 |
| Debian | — | Upgrade linuxUpgrade linux-6.12 | Aug 2, 2026 | Aug 2, 2026 |
| Redhat_linux | — | No solution exists | Jul 29, 2026 | Jul 24, 2026 |
| Ubuntu | — | Upgrade linux-image-7.0.0-1009-aws-64kUpgrade linux-image-raspi-7.0Upgrade linux-image-nvidia-bos-64kUpgrade linux-image-raspi-realtime-7.0Upgrade linux-image-aws-64kUpgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-7.0.0-2016-nvidia-bos-64kUpgrade linux-image-nvidiaUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-aws-64k-7.0Upgrade linux-image-aws-7.0Upgrade linux-image-nvidia-bos-7.0Upgrade linux-image-raspiUpgrade linux-image-7.0.0-1015-raspiUpgrade linux-image-gcp-64kUpgrade linux-image-7.0.0-1016-nvidiaUpgrade linux-image-7.0.0-1015-raspi-realtimeUpgrade linux-image-nvidia-bosUpgrade linux-image-nvidia-64k-7.0Upgrade linux-image-7.0.0-1016-nvidia-64kUpgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-nvidia-7.0Upgrade linux-image-gcpUpgrade linux-image-gcp-7.0Upgrade linux-image-7.0.0-1009-awsUpgrade linux-image-awsUpgrade linux-image-7.0.0-2016-nvidia-bosUpgrade linux-image-nvidia-64kUpgrade linux-image-raspi-realtime | Jul 28, 2026 | Jul 28, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Aug 13, 2026 | Jul 24, 2026 |
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