CVE-2025-40276 — drm/panthor: Flush shmem writes before mapping buffers CPU-uncached
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 page…
Published: 2025-12-06 · CVSS: 7.3 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7