CVE-2025-22012 - Lenovo Yoga C630 ARM64 Pagetable Walker Coherency Lockup Vulnerability

CVE-2025-22012 - Lenovo Yoga C630 ARM64 Pagetable Walker Coherency Lockup Vulnerability

https://cvefeed.io/rssfeed/latest.atom / Tue, 04/08/2025 - 14:34
CVE ID : CVE-2025-22012
Published : April 8, 2025, 9:15 a.m. | 2 hours, 57 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: Revert "arm64: dts: qcom: sdm845: Affirm IDR0.CCTW on apps_smmu" There are reports that the pagetable walker cache coherency is not a given across the spectrum of SDM845/850 devices, leading to lock-ups and resets. It works fine on some devices (like the Dragonboard 845c, but not so much on the Lenovo Yoga C630). This unfortunately looks like a fluke in firmware development, where likely somewhere in the vast hypervisor stack, a change to accommodate for this was only introduced after the initial software release (which often serves as a baseline for products). Revert the change to avoid additional guesswork around crashes. This reverts commit 6b31a9744b8726c69bb0af290f8475a368a4b805.
Severity: 0.0 | NA
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