Threats Tagged 'ubuntu-cve-2026-23213'
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Threats Tagged 'ubuntu-cve-2026-23213'
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A vulnerability in the Linux kernel's AMD GPU driver (drm/amd/pm) was resolved that involved unsafe MMIO register access during the SMU Mode 1 reset. During this reset, the ASIC is temporarily inaccessible via PCIe, and attempts to access MMIO registers can cause uncompleted PCIe transactions leading to system hangs or NMI panics. The fix involves disabling hardware access during this reset window by setting a flag to prevent register access until the device is back online. This vulnerability affects certain Linux kernel versions prior to 6.8.0-1055.56 and related builds. A patch is available and included in updated Linux kernel packages distributed by Ubuntu. The CVSS score is 5.5, indicating a medium severity impact primarily affecting system availability. Join the discussion | GCVE Database | 02/18/2026, 15:18:00 UTC Added: 07/18/2026, 11:26:56 UTC |
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