CVE-2025-38215

In CVE-2025-38215, the Linux kernel fbdev subsystem had a null-ptr-deref risk in fb_videomode_to_var when do_register_framebuffer allocated fb_videomode memory unsuccessfully. The fix prevents registering fb_info unless its mode is set and moves fb_add_videomode() earlier in do_register_framebuff...

CVE-2025-38215 fbdev: Fix do_register_framebuffer to prevent null-ptr-deref in fb_videomode_to_var

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

CVE-2025-38214 fbdev: Fix fb_set_var to prevent null-ptr-deref in fb_videomode_to_var

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...

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...

CVE-2025-38214

CVE-2025-38214 affects the Linux kernel fbdev path. The issue arises when fb_add_videomode() in fb_set_var() fails to allocate fb_videomode, potentially causing a null pointer dereference in fb_videomode_to_var() because fb_info->var is modified before modelist validation. The debug trace show...

PT-2025-35975

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A buffer overflow issue exists in the do register framebuffer function within the fbdev component of the Linux kernel. The vulnerability occurs due to potential NULL gaps in the register...

OESA-2025-1666 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: video: fbdev: amba-clcd: Fix refcount leak bugs In clcdfbofinitdisplay, we should call ofnodeput for the references returned by ofgraphgetnextendpoint and...

CVE-2022-49978

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbpm2fb: Avoid potential divide by zero error In dofbioctl of fbmem.c, if cmd is FBIOPUTVSCREENINFO, var will be copied from user, then go through fbsetvar and info-fbops-fbcheckvar which could may be pm2fbcheckvar. Along...

CVE-2022-50221

In the Linux kernel, the following vulnerability has been resolved: drm/fb-helper: Fix out-of-bounds access Clip memory range to screen-buffer size to avoid out-of-bounds access in fbdev deferred I/O's damage handling. Fbdev's deferred I/O can only track pages. From the range of pages, the damage...

DEBIAN-CVE-2022-50221

In the Linux kernel, the following vulnerability has been resolved: drm/fb-helper: Fix out-of-bounds access Clip memory range to screen-buffer size to avoid out-of-bounds access in fbdev deferred I/O's damage handling. Fbdev's deferred I/O can only track pages. From the range of pages, the damage...

CVE-2022-50221

In the Linux kernel, the following vulnerability has been resolved: drm/fb-helper: Fix out-of-bounds access Clip memory range to screen-buffer size to avoid out-of-bounds access in fbdev deferred I/O's damage handling. Fbdev's deferred I/O can only track pages. From the range of pages, the damage...

CVE-2022-50109

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: amba-clcd: Fix refcount leak bugs In clcdfbofinitdisplay, we should call ofnodeput for the references returned by ofgraphgetnextendpoint and ofgraphgetremoteportparent which have increased the refcount. Besides, we...

DEBIAN-CVE-2022-50109

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: amba-clcd: Fix refcount leak bugs In clcdfbofinitdisplay, we should call ofnodeput for the references returned by ofgraphgetnextendpoint and ofgraphgetremoteportparent which have increased the refcount. Besides, we...

CVE-2022-49978

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbpm2fb: Avoid potential divide by zero error In dofbioctl of fbmem.c, if cmd is FBIOPUTVSCREENINFO, var will be copied from user, then go through fbsetvar and info-fbops-fbcheckvar which could may be pm2fbcheckvar. Along...

DEBIAN-CVE-2022-49978

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbpm2fb: Avoid potential divide by zero error In dofbioctl of fbmem.c, if cmd is FBIOPUTVSCREENINFO, var will be copied from user, then go through fbsetvar and info-fbops-fbcheckvar which could may be pm2fbcheckvar. Along...

UBUNTU-CVE-2022-50221

In the Linux kernel, the following vulnerability has been resolved: drm/fb-helper: Fix out-of-bounds access Clip memory range to screen-buffer size to avoid out-of-bounds access in fbdev deferred I/O's damage handling. Fbdev's deferred I/O can only track pages. From the range of pages, the damage...

UBUNTU-CVE-2022-50010

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: i740fb: Check the argument of i740calcvclk Since the user can control the arguments of the ioctl from the user space, under special arguments that may result in a divide-by-zero bug. If the user provides an improper...

CVE-2022-50221

CVE-2022-50221 : In the Linux kernel, the drm/fb-helper deferred I/O damage handling could compute an clipping range that allowed an out-of-bounds access when the fbdev screen buffer ended near the start of a page. The patch clamps the maximum memory range to the screen buffer size and also renam...

CVE-2022-50221 drm/fb-helper: Fix out-of-bounds access

In the Linux kernel, the following vulnerability has been resolved: drm/fb-helper: Fix out-of-bounds access Clip memory range to screen-buffer size to avoid out-of-bounds access in fbdev deferred I/O's damage handling. Fbdev's deferred I/O can only track pages. From the range of pages, the damage...

CVE-2022-50221 drm/fb-helper: Fix out-of-bounds access

In the Linux kernel, the following vulnerability has been resolved: drm/fb-helper: Fix out-of-bounds access Clip memory range to screen-buffer size to avoid out-of-bounds access in fbdev deferred I/O's damage handling. Fbdev's deferred I/O can only track pages. From the range of pages, the damage...