CVE-2025-40276 - drm/panthor: Flush shmem writes before mapping buffers CPU-uncached

CVE-2025-40276 - drm/panthor: Flush shmem writes before mapping buffers CPU-uncached

https://cvefeed.io/rssfeed/latest.atom / Sun, 12/07/2025 - 01:51
CVE ID : CVE-2025-40276
Published : Dec. 6, 2025, 10:15 p.m. | 1 hour, 59 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Flush shmem writes before mapping buffers CPU-uncached The shmem layer zeroes out the new pages using cached mappings, and if we don't CPU-flush we might leave dirty cachelines behind, leading to potential data leaks and/or asynchronous buffer corruption when dirty cachelines are evicted.
Severity: 0.0 | NA
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