Linux kernel 4.14 Use After Free Vulnerability


Linux kernel 4.14 suffers from use after free vulnerability


The information has been provided by Chris Wilson

The original article can be found at:


In the Linux kernel 4.14 longterm through 4.14.165 and 4.19 longterm through 4.19.96 (and 5.x before 5.2), there is a use-after-free (write) in the i915_ppgtt_close function in drivers/gpu/drm/i915/i915_gem_gtt.c, aka CID-7dc40713618c. This is related to i915_gem_context_destroy_ioctl in drivers/gpu/drm/i915/i915_gem_context.c.


Vulnerable Systems:

Linux kernel 4.14 longterm through 4.14.165 

Linux kernel 4.19 longterm through 4.19.96


CVE Information:



Disclosure Timeline:
Published Date:1/14/2020

Categories: News