CVE-2026-46065

CVE-2026-46065 affects the Linux kernel framebuffer (fbdev) defio mechanism. The issue arises from disconnecting deferred I/O from the lifetime of struct fb_info, by holding state in struct fb_deferred_io_state and freeing the instance only after the final mapping closes. If fb_info/defio are fre...

CVE-2026-46065 fbdev: defio: Disconnect deferred I/O from the lifetime of struct fb_info

In the Linux kernel, the following vulnerability has been resolved: fbdev: defio: Disconnect deferred I/O from the lifetime of struct fbinfo Hold state of deferred I/O in struct fbdeferrediostate. Allocate an instance as part of initializing deferred I/O and remove it only after the final mapping...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: vesafb: Fixed a use-after-free due to early fbinfo cleanup. The commit b3c9a924aab6 “fbdev: vesafb: Cleanup fbinfo in .fbdestroy instead of .remove“” fixed a use-after-free error where the vesafb driver freed the...

Siemens SIMATIC S7-1500 NULL Pointer Dereference(CVE-2025-38214)

In the Linux kernel, the following vulnerability has been resolved: fbdev: Fix fbsetvar to prevent null-ptr-deref in fbvideomodetovar If fbaddvideomode in fbsetvar fails to allocate memory for fbvideomode, later it may lead to a null-ptr dereference in fbvideomodetovar, as the fbinfo is registere...